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Study sets matching "2 science chemistry"

28 terms
Unit 2 Science Chemistry
What do you do if you spill a chemical…
How do you read the volume in a gradua…
What tool measures Mass?
What tool measures weight?
Tell the teacher immediately.
You read it from the bottom and middle of the meniscus
Triple Beam Balance (TBB)
Spring Scale
What do you do if you spill a chemical…
Tell the teacher immediately.
How do you read the volume in a gradua…
You read it from the bottom and middle of the meniscus
13 terms
8th Grade Week 5: Science 2 (Chemistry)
atom
proton
neutron
electron
(n.): the smallest piece of a chemical element
(n.): in the nucleus, has a positive charge
(n.): in the nucleus, has no charge
(n.): goes around the nucleus, has a negative charge
atom
(n.): the smallest piece of a chemical element
proton
(n.): in the nucleus, has a positive charge
13 terms
6th Grade Week 5: Science 2 (Chemistry)
substance
element
compound
physical property
(n.): one type of matter (example: gold)
(n.): a substance that can't be taken apart into other substa…
(n.): when two or more elements are put together (Ex: Water i…
(n.): something you can see or measure without chemically cha…
substance
(n.): one type of matter (example: gold)
element
(n.): a substance that can't be taken apart into other substa…
8 terms
Science- Chemistry 2
Electrons in 1st shell
Electrons in 2nd shell
Electrons in 3rd
what is the similarities between proto…
2 max
8 max
8 max
have the same number in an atom
Electrons in 1st shell
2 max
Electrons in 2nd shell
8 max
32 terms
Science Chemistry T2
Define Atoms
Define Elements
Define Compounds
Describe the structure of the Periodic…
The building blocks of all matter.
Substance made up of a single atom.
Substance made up of two or more atoms chemically joined. (cr…
Periods: Vertical go up to 7. ... Groups: Horizontal and they go…
Define Atoms
The building blocks of all matter.
Define Elements
Substance made up of a single atom.
67 terms
Science Unit 2 - Chemistry
Density
Viscosity
Solubility
Oxidation
How much matter is in a certain amount of space.
Ability of a material to resist flow
Ability of a material to dissolve
When substances react with air
Density
How much matter is in a certain amount of space.
Viscosity
Ability of a material to resist flow
27 terms
Science Holt Chemistry CH. 2
energy
physical change
chemical change
evaporation
the ability to work
a change in a substance that does not change its identity
change that produces new substances
the change of a substance from a liquid to a gas
energy
the ability to work
physical change
a change in a substance that does not change its identity
12 terms
Chapter 2 chemistry of science
Hydrogen bond
Cohesion
Adhesion
Mixture
A hydrogen bond is the electrostatic attraction between polar…
the action or fact of forming a united whole.
the action or process of adhering to a surface or object.
a substance made by mixing other substances together.
Hydrogen bond
A hydrogen bond is the electrostatic attraction between polar…
Cohesion
the action or fact of forming a united whole.
52 terms
unit 2 science (chemistry)
what tool do you use to find the mass…
what units do you measure mass in?
what tool do you use to find the volum…
what units do you measure the volume o…
triple beam balance (TBB)
grams (g)
graduated cylinder
centimeters cubed (cm3)
what tool do you use to find the mass…
triple beam balance (TBB)
what units do you measure mass in?
grams (g)
5 terms
Science Chemistry Exam (2)
2nd Class Chemical Reaction
Molecule
Reactant
Weight
Compound produces Element+Element; decomposition (electrolysi…
a group of atoms; smallest unit that can take place in a chem…
chemicals added together
the attraction of an object to the center of the earth
2nd Class Chemical Reaction
Compound produces Element+Element; decomposition (electrolysi…
Molecule
a group of atoms; smallest unit that can take place in a chem…
12 terms
Chemistry: Science Part 2
What do elements in a group have in co…
What do elements in a period have in c…
What are the 4 states of matter?
Positive ions will_____electrons.
same number of electrons
Number of energy levels
Solid, Liquid, Gas, Plasma
lose
What do elements in a group have in co…
same number of electrons
What do elements in a period have in c…
Number of energy levels
13 terms
Science Exam Chemistry 2
The Hoffman apparatus separates the co…
Metal always comes before non metal an…
Melting, boiling, freezing and condens…
Colour change, changes state, precipit…
What is the Hoffman Aparatus?
What are the two rules of naming elements?
What are 4 examples of physical change?
What are the indications of a chemical change?
The Hoffman apparatus separates the co…
What is the Hoffman Aparatus?
Metal always comes before non metal an…
What are the two rules of naming elements?
12 terms
Science CHEMISTRY 2 TEST
4 rules to balance reactions
Law of the conservation of mass
What do all chemical reactions involve
Endothermic
1. You CANNOT chamge formulas, reactants, or products... 2. You…
• matter cannot be created nor destroyed ... • reactants MUST eq…
The release or the absorbtion of energy
• Energy releasing reactions ... • Gets warmer ... • Require a cont…
4 rules to balance reactions
1. You CANNOT chamge formulas, reactants, or products... 2. You…
Law of the conservation of mass
• matter cannot be created nor destroyed ... • reactants MUST eq…
25 terms
Science - Chemistry Quiz #2
isotope
atomic mass
AMU
mass number
atoms of the same element that contain different numbers of n…
average mass of all isotopes of an element's atom
atomic mass unit
total number of protons and electrons, specific to a certain…
isotope
atoms of the same element that contain different numbers of n…
atomic mass
average mass of all isotopes of an element's atom
25 terms
Science(2) Chemistry Test
water molecule
covalent bond
surface tension
polarity of water molecules
10 protons and 10 electron, neutral
A chemical bond formed when two atoms share electrons...
Attraction of molecules on the top exterior of a liquid, pola…
As oxygen has more protons this causes the shared electrons t…
water molecule
10 protons and 10 electron, neutral
covalent bond
A chemical bond formed when two atoms share electrons...
14 terms
Global Science: Chemistry - Chapter 2 (Properties of matter)
Element
Compound
Heterogeneous Mixture
Homogeneous Mixture
A substance that cannot be broken down into simpler substances
A substance that is made from two or more substance.
The mixture is noticeably different from one another
The substances are difficult to distinguish one substance fro…
Element
A substance that cannot be broken down into simpler substances
Compound
A substance that is made from two or more substance.
8 terms
Science Vocabulary - Unit 2 - Chemistry
physical change
chemical change
element
compound
A change of matter from one form to another without a change…
A change in which one or more substances combine or break apa…
A substance that cannot be broken down into any other substan…
A substance consisting of two or more elements in a fixed rat…
physical change
A change of matter from one form to another without a change…
chemical change
A change in which one or more substances combine or break apa…
10 terms
Science chemistry paper 2
-yes they do... - pattern shows from grap…
Name variables (candidate research she…
-compare to see if similar... -if they ha…
-yes to see if any anomalies... -repeats…
Q1) in this experiment do the results support the hypothesis?
Q2) what were the variables in this investigation?
Q3) how could looking at other results help you decide if you…
Q4) did you repeat measurements in investigation? Explain why…
-yes they do... - pattern shows from grap…
Q1) in this experiment do the results support the hypothesis?
Name variables (candidate research she…
Q2) what were the variables in this investigation?
23 terms
Science - Chemistry Quiz #2
matter
element
atom
molecule
the thing that forms physical objects and occupies space
any material that is made up of only one type of atom
the smallest particle of a substance that can exist by itself…
a group of atoms held together by covalent bonds
matter
the thing that forms physical objects and occupies space
element
any material that is made up of only one type of atom
41 terms
Chemistry Chapter 2 (smith science):
What are the 4 states of matter?
What are the tiny particles matter is…
Solids
Two categories of solids
-Solid... -Liquid... -Gas... -Plasma
-Atoms... -Molecules
-Definite Shape and Volume... -can *NOT* flow can NOTNOT*NOT* flow can *NOT* be compr…
-Crystalline ... -Amorphous
What are the 4 states of matter?
-Solid... -Liquid... -Gas... -Plasma
What are the tiny particles matter is…
-Atoms... -Molecules
27 terms
Unit 1 Science - Chemistry 2
How do properties change when moving l…
How do properties change when you move…
Why do ions transfer
How to draw a Bohr - Rutherford diagram
Valence electrons - increase by 1 each time... Number of Orbits…
Valence electrons - stays the same... Number of orbits - increas…
To make a compound, it must have a full ring, so you must tra…
- protons and neutrons in the middle... - 2 electrons on first r…
How do properties change when moving l…
Valence electrons - increase by 1 each time... Number of Orbits…
How do properties change when you move…
Valence electrons - stays the same... Number of orbits - increas…
44 terms
Science Chemistry Unit #2
Atom
The word atom comes from the Greek wor…
What does atomos mean?
Atomic theory
The smallest particle into which an element can be divided an…
atomos
not able to be divided (uncuttable/indivisible)
A theory that explains the atom
Atom
The smallest particle into which an element can be divided an…
The word atom comes from the Greek wor…
atomos
19 terms
Science 821 Chemistry Test 2
Element
Compound
Chemical Formula
Ion
substance that consists of atoms that are all the same, made…
substances that are uniformly mixed, can't be separated by ph…
code that tells what the compound is made of, ex. C6H12O6= 6…
why atomic number is how many electrons, an atom that carries…
Element
substance that consists of atoms that are all the same, made…
Compound
substances that are uniformly mixed, can't be separated by ph…
44 terms
Science Chemistry test #2
Synthesis
Decomposition
Single Displacement
Double displacement
A + B -> AB
NaCl -> Na + Cl2(g)
nonmetal replaces non metal in compound and vice versa... NaCl +…
nonmetals switch and vice versa... AB + CD -> AD + CB
Synthesis
A + B -> AB
Decomposition
NaCl -> Na + Cl2(g)
47 terms
science quiz #2: organic chemistry
cells
chemicals
atoms
elements
the building blocks of life
the building blocks of cells
the smallest unit of matter, cannot be broken down any furthe…
a pure substance of only one type of atom
cells
the building blocks of life
chemicals
the building blocks of cells
16 terms
Science Chemistry Unit #2
A solution consists of two parts. One…
The other component of a solution is t…
When two liquids mix, they are said to…
When a substance can dissolve in anoth…
solute
Solvent
Miscible
Soluble
A solution consists of two parts. One…
solute
The other component of a solution is t…
Solvent
36 terms
Science Quiz- Chemistry 2
mixtures
atoms
molecules
symbol
are made up from 2 or more substances... a physical change ... can…
makes up molecules smallest particle in an element
formed from 1 or more atom
an abbreviation of an element
mixtures
are made up from 2 or more substances... a physical change ... can…
atoms
makes up molecules smallest particle in an element
40 terms
Science Chemistry 2
Mass of protons, electrons, neutrons
Charge of protons, electrons, neutrons
Locations of protons, electrons, neutr…
What are valence electrons?
Protons = 1 AMU... Electrons = 1/1836 AMU... Neutrons = 1 AMU
Proton = +1... Electrons = -1... Neutrons = neutral (no charge)
Protons = Nucleus ... Electrons = Nucleus ... Neutrons = Electron C…
The amount of electrons in the outer level
Mass of protons, electrons, neutrons
Protons = 1 AMU... Electrons = 1/1836 AMU... Neutrons = 1 AMU
Charge of protons, electrons, neutrons
Proton = +1... Electrons = -1... Neutrons = neutral (no charge)
31 terms
Science - Chemistry Quiz #2
nucleon
isotope
atomic mass
AMU
used to describe the subatomic particles in the nucleus
atoms of the same element with different amounts of nucleons
average mass of all isotopes of that element
atomic mass unit
nucleon
used to describe the subatomic particles in the nucleus
isotope
atoms of the same element with different amounts of nucleons
43 terms
science chemistry pt2
looking for patterns in elements
what is an element
what is a compound
what is a pure substance
matter is made of about 100 different elements that have a wi…
elements are pure substances that cannot be broken down into…
compounds are two or more elements that are chemically combined
a pure substance is made of only one kind of matter and has d…
looking for patterns in elements
matter is made of about 100 different elements that have a wi…
what is an element
elements are pure substances that cannot be broken down into…
31 terms
Science Chemistry 2
What is the difference between a molec…
What is a example of a molecule?
What is a example of a compound?
Whats a element?
A molecule is 2 or more elements joined together chemically a…
CH4 (Methane) , p4 (pentium),and CaSO4 (Calcium sulfate)
CH4 (Methane) , and CaSO4 (Calcium sulfate)
Represented on the periodic table, cannot be further decomposed
What is the difference between a molec…
A molecule is 2 or more elements joined together chemically a…
What is a example of a molecule?
CH4 (Methane) , p4 (pentium),and CaSO4 (Calcium sulfate)
22 terms
Science: chemistry 2
what is cracking?
what are the steps of cracking?
what is cracking an example of?
what are some of the uses of smaller h…
it is where large hydrocarbon molecules are broken into small…
fractions containing large hydrocarbon molecules are vaporise…
a thermal decomposition reaction
fuels and polymers for plastic manufacture
what is cracking?
it is where large hydrocarbon molecules are broken into small…
what are the steps of cracking?
fractions containing large hydrocarbon molecules are vaporise…
57 terms
Science 10 Chemistry - #2
What is radiation?
What are radioactive sources?
What are invisible rays?
what are isotopes?
high-energy rays and... particles that are given off by radioact…
release high-energy particles as a result of their changing n…
x-rays, dark spots on photographic film were from uranium ato…
isotopes are the same element(all have same number of protons…
What is radiation?
high-energy rays and... particles that are given off by radioact…
What are radioactive sources?
release high-energy particles as a result of their changing n…
11 terms
Physical Science-chemistry set 2
the independent variable is
the dependent variable is the
the independent variable is plotted on…
the dependent variable is plotted on the
the cause (changed by the experimenter)
effect (measured by the experimenter)
x-axis
y-axis
the independent variable is
the cause (changed by the experimenter)
the dependent variable is the
effect (measured by the experimenter)
35 terms
Science and Chemistry Quarter 2
Matter
Chemistry
What is the abbreviation for change?
What are the properties of matter?
Anything that has mass and takes up space
The study of how matter changes
A triangle
Physical property and chemical property
Matter
Anything that has mass and takes up space
Chemistry
The study of how matter changes
34 terms
Chemistry, The Central Science Chapter 2 (Part 2)
Atomic Number:
Mass number:
Position of atomic and mass number:
Isotopes:
number of protons in nucleus, (and number of electrons in neu…
number of protons+neutrons
a/z X: a is the mass number (on top), and z is the atomic num…
Atoms of the same element with different numbers of neutrons…
Atomic Number:
number of protons in nucleus, (and number of electrons in neu…
Mass number:
number of protons+neutrons
36 terms
Science- Chemistry 2
Talk about the lithosphere
Where is the mantle located
What do convection currents do
What happens when oceanic and continen…
It is the outer later of the earth and is fairly cold and rid…
Between the core and the crust, at the top it is cold and rig…
Slowly move tectonic plates
The denser oceanic plate sinks, pulling more of the are down…
Talk about the lithosphere
It is the outer later of the earth and is fairly cold and rid…
Where is the mantle located
Between the core and the crust, at the top it is cold and rig…
13 terms
Physical Science - chemistry - Chapter 2
What is Matter?
Give an example of something that is N…
What is a pure substance? Example?
What is an element? example?
Something that has mass and takes up space.... Has Mass and Volume
Fire and electricity
A composition that is NOT VARIABLE. It has all the same kinds…
A pure substance made up of the same kind of atoms. (silver)
What is Matter?
Something that has mass and takes up space.... Has Mass and Volume
Give an example of something that is N…
Fire and electricity
24 terms
Science Chemistry 2
What is a proton?
What is a neutron?
What is an electron?
What is a nucleus?
A proton is a positively charged particle
A neutron is an uncharged particle.
An electron is a negatively charged article; not inside the n…
A nucleus is the center of the atom that has neutrons and pro…
What is a proton?
A proton is a positively charged particle
What is a neutron?
A neutron is an uncharged particle.
31 terms
Science Test #2: Chemistry
What is matter?
What is an element?
How do you represent an element?
What is an atom?
Anything that has mass and takes up space
A substance that CANNOT be broken down into any other substan…
Represented by one or two specific letters. If there are two…
The smallest unit of an element that retains the properties o…
What is matter?
Anything that has mass and takes up space
What is an element?
A substance that CANNOT be broken down into any other substan…
12 terms
Science Chemistry Quiz #2
Protons
Equation for neutrons
Electrons
Why is the atomic mass equal to the nu…
atomic number
rounded atomic mass - atomic number
atomic number
Because it is part of the nucleus. The stuff that has weight…
Protons
atomic number
Equation for neutrons
rounded atomic mass - atomic number
53 terms
Science 10 Chemistry Chapter 2
Elements
Metals
Malleable
Ductile
Substances that cannot be broken down into other substances (…
Elements which are mostly silver or grey, shiny, good conduct…
Able to be beaten or rolled into sheets
Able to be stretched into long wires
Elements
Substances that cannot be broken down into other substances (…
Metals
Elements which are mostly silver or grey, shiny, good conduct…
23 terms
Chemistry Chapter 1: The Science of Chemistry
States of matter
solids
liquids
gases
solid, liquid, or gas
have fixed volume and shape... particles are arranged in a rigid…
have fixed volume but not a fixed shape... particles are arrange…
have neither fixed volume nor fixed shape... particles weakly at…
States of matter
solid, liquid, or gas
solids
have fixed volume and shape... particles are arranged in a rigid…
32 terms
Science: Chemistry 2 test
What is the difference between molecul…
What is an example of a molecule?
What is an example of a compound?
Pure Substance?
A molecule is 2 or more elements combined, a compound has to…
O"2
H'2O
A material that is composed of only 1 type of material.
What is the difference between molecul…
A molecule is 2 or more elements combined, a compound has to…
What is an example of a molecule?
O"2
10 terms
Science Vocab Chemistry Chapter 2
Compound
Physical Change
Chemical Change
Element
A substance made up of two or more different types of atoms b…
A change in the state of substance.(The water changes it's ph…
A change of one substance into another substance.(It tells ab…
A substance that cannot be broken be broken down into a simpl…
Compound
A substance made up of two or more different types of atoms b…
Physical Change
A change in the state of substance.(The water changes it's ph…
31 terms
Science (Chemistry Test #2)
How is the periodic table arranged?
What are the rows and columns called i…
Where are the Metals located in the ta…
Where are the metalloids located in th…
Arranged according to atomic number and similar properties
Rows: are the periods and they change across the period... Colum…
On the right side of the table. 13 - 16th column
The are located on the line separating the metals and non met…
How is the periodic table arranged?
Arranged according to atomic number and similar properties
What are the rows and columns called i…
Rows: are the periods and they change across the period... Colum…
27 terms
Chemistry: The Central Science Chapter 2
Atoms
Subatomic particles
Cathode ray
Radioactivity
The smallest units of an element that can combine with other…
Electron, neutron, proton
Radiation originating from negative electrode (the cathode) t…
Spontaneous emission of energy by atoms
Atoms
The smallest units of an element that can combine with other…
Subatomic particles
Electron, neutron, proton
21 terms
Science-chemistry part2
Isotope
Carbon 12
Molecular compounds
C6h12o6
A variation of an atom has an extra neutron used to treat can…
Measures how long something has been alive with the amount of…
The elements of life 02, B, H 2
Organic molecule comes from water
Isotope
A variation of an atom has an extra neutron used to treat can…
Carbon 12
Measures how long something has been alive with the amount of…
42 terms
Chemistry: The Central Science Chapter 2
Atoms
Subatomic particles
Cathode ray: Thomson
Oil-drop experiment: Millikan
The smallest units of an element that can combine with other…
Electron, neutron, proton
Radiation originating from negative electrode (the cathode) t…
Small drops of oil, which pick up extra electrons, fall betwe…
Atoms
The smallest units of an element that can combine with other…
Subatomic particles
Electron, neutron, proton
23 terms
Chemistry Chapter 1: The Science of Chemistry
properties of matter
solids
liquids
gases
solid, liquid, or gas
have fixed volume and shape... particles are arranged in a rigid…
have fixed volume but not a fixed shape... particles are arrange…
have neither fixed volume nor fixed shape... particles weakly at…
properties of matter
solid, liquid, or gas
solids
have fixed volume and shape... particles are arranged in a rigid…
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