Study sets matching "2 science chemistry"

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Study sets matching "2 science chemistry"

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
16 terms
Science Chemistry vocab 2
chemical bonding
chemical bond
valence electrons
ionic bond
the combining of atoms to form molecules or ionic compounds
an interaction that holds atoms or ions together
an electron that is found in the outermost shell of an atom a…
a bond that forms when electrons are transferred from one ato…
chemical bonding
the combining of atoms to form molecules or ionic compounds
chemical bond
an interaction that holds atoms or ions together
Science Chemistry Test #2
Particle
Heat
Calorie
Kinetic Energy
The smallest piece of a substance that is still that substance.
The TOTAL kinetic energy of all the particles in a substance…
The unit of heat-energy required to raise the temperature of…
The movement of particles.
Particle
The smallest piece of a substance that is still that substance.
Heat
The TOTAL kinetic energy of all the particles in a substance…
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…
38 terms
Chemistry: The Central Science Chapter 2 Vocab
Atom
Subatomic particles
Cathode rays
Radioactivity
The smallest representative particle of an element.
Particles such as protons, neutrons, and electrons that are s…
Streams of electrons that are produced when a high voltage is…
Possessing radioactivity, the spontaneous disintegration of a…
Atom
The smallest representative particle of an element.
Subatomic particles
Particles such as protons, neutrons, and electrons that are s…
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)
55 terms
Chemistry: The Science in Context Chapter 2
cathode rays
electron
radioactivity
beta particle
streams of electrons emitted by the cathode in a partially ev…
a subatomic particle that has a negative charge and essential…
the spontaneous emission of high-energy radiation and particl…
a radioactive emission that is a high-energy electron
cathode rays
streams of electrons emitted by the cathode in a partially ev…
electron
a subatomic particle that has a negative charge and essential…
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
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)
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…
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…
SMS Science Chemistry Week 2
Atom
Proton
Electron
Neutron
building blocks of all material on Earth and out in space
positively charged particles; exists in nucleus of atom
negatively charged particles; exist in shells around the nucl…
neutral particle; exist in the nucleus of atom
Atom
building blocks of all material on Earth and out in space
Proton
positively charged particles; exists in nucleus of 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...
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)
29 terms
Science Chemistry Term 2
Element
Compound
Chemical Reaction
Reactants
An Element is a substance made up of only one type of atom.
A Compound is a substance made up of two or more atom types h…
A chemical reaction is a change in which at least one new sub…
Reactants are the substances that exist before a chemical rea…
Element
An Element is a substance made up of only one type of atom.
Compound
A Compound is a substance made up of two or more atom types h…
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…
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…
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…
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
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
Science Chemistry T2
Electric Charge of a Proton - Neutron…
Define atomic number
Define mass number
How do I tell which is the atomic numb…
P= positive (+) N=neutral (0) E= negative (-)
The amount of protons in a nucleus.
The amount of protons AND nucleus' combined in the nucleus of…
It is the smaller number.
Electric Charge of a Proton - Neutron…
P= positive (+) N=neutral (0) E= negative (-)
Define atomic number
The amount of protons in a nucleus.
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
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
10 terms
Science: chemistry S.2.
what is an aqueous solution and how is…
why is it necessary to balance chemica…
what is a precipitate
Define precipitation reactions
dissolved in water (aq)
conservation of mass. nothing is created or destroyed
a solid that comes out of a solution
where you mix two dissolved chemicals and a solid appears.
what is an aqueous solution and how is…
dissolved in water (aq)
why is it necessary to balance chemica…
conservation of mass. nothing is created or destroyed
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
Science Chemistry Ch. 2
How does the periodic table group elem…
Who designed the modern periodic table?
Atomic Mass
What is atomic mass measured in?
Grouped based on similar properties.
Dmitri Mendeleev
Average mass of atom.... (Decimal number in bottom left corner)
Atomic Mass Units
How does the periodic table group elem…
Grouped based on similar properties.
Who designed the modern periodic table?
Dmitri Mendeleev
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
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)
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…
107 terms
GCSE Triple Science {Additional} Chemistry 2
Draw and label an atom
What are the masses and charges of the…
Why do atoms usually have no overall e…
All atoms of a particular element (e.g…
Protons... Neutrons... Electrons
Protons = +ve ... (mass 1)... Neutrons = neutral ... (mass 1)... Electr…
Atoms usually have no overall charge because they have equal…
Protons
Draw and label an atom
Protons... Neutrons... Electrons
What are the masses and charges of the…
Protons = +ve ... (mass 1)... Neutrons = neutral ... (mass 1)... Electr…
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
23 terms
Science: Chemistry C2
What are isotopes?
Three things that increase collisions
What is an exothermic reaction?
What is an endothermic reaction?
Isotopes are different atomic forms of the same element, whic…
Higher temperature... Higher concentration... Larger surface area
An exothermic reaction is one which transfers energy to the s…
An endothermic reaction is one which takes in energy from the…
What are isotopes?
Isotopes are different atomic forms of the same element, whic…
Three things that increase collisions
Higher temperature... Higher concentration... Larger surface area
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
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
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…
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…
Chemistry 2- Material Choices- Science
Polymer
Monomer
Polymerisation
When styrene is turned into a polymer…
Many units
Part of a polymer
When a polymer is made
Polystyrene
Polymer
Many units
Monomer
Part of a polymer
Science Chemistry 1.2 Vocabulary
Three States of Matter
Solid
Liquid
Gas
Solid, Liquid, and Gas.
Has a fixed volume and a fixed shape. The particles are close…
Has fixed volume but does not have a fixed shape. Can slide f…
Has no fixed volume or shape. Particles are farther apart tha…
Three States of Matter
Solid, Liquid, and Gas.
Solid
Has a fixed volume and a fixed shape. The particles are close…
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…
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…
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
16 terms
Science Section 1.2 Chemistry
bonds
ion
ionic bond
sodium ions, chloride ions
Atoms form ______ by losing electrons, by gaining electrons,…
An atom that is no longer neutral because it has lost or gain…
An ______ ______ forms when positive and negative ions attrac…
Sodium chloride is formed from _________ and chloride from __…
bonds
Atoms form ______ by losing electrons, by gaining electrons,…
ion
An atom that is no longer neutral because it has lost or gain…
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…
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.
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…
34 terms
Physical Science Chapter 2: Chemistry
Pure Substance
Element
Atom
Gold
Matter hat always has exactly the same composition
Substances that can not be broken down into simpler substances
Smallest particle of an element
Au
Pure Substance
Matter hat always has exactly the same composition
Element
Substances that can not be broken down into simpler substances
25 terms
Science #2-Chemistry of Life
Cellular Respiration
Photosynthesis equation
Chloroplast
Compounds
process where oxygen & glucose undergo a complex series of ch…
light energy+6CO2(Carbon dioxide)+6H2O(water)-->C6H12O6 (gluc…
Organelle in the cells of plants and some other organisms tha…
A substance made of 2 or more elements chemically combined in…
Cellular Respiration
process where oxygen & glucose undergo a complex series of ch…
Photosynthesis equation
light energy+6CO2(Carbon dioxide)+6H2O(water)-->C6H12O6 (gluc…
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