Study sets matching "chemistry 3"

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Study sets matching "chemistry 3"

Chemistry Ch. 3
measurement
dimension
unit
scale
the act of comparing an unknown quantity to a standard unit
a property of objects and systems that are measurable; ex. le…
gives meaning to numbers; defines a measurement for a certain…
provides a means of measuring; dimensional units
measurement
the act of comparing an unknown quantity to a standard unit
dimension
a property of objects and systems that are measurable; ex. le…
19 terms
Chemistry 3
average atomic mass
avogrado's number
balancing a chemical equation
chemical equation
weighted average of the atomic masses for the isotopes of an…
# atoms in 12 g pure ^12 C, equal to 6.022 * 10^23
making sure atoms on left = atoms on right. (following law of…
representation of chem reac w. approx. #s of reactant and pro…
average atomic mass
weighted average of the atomic masses for the isotopes of an…
avogrado's number
# atoms in 12 g pure ^12 C, equal to 6.022 * 10^23
13 terms
Chemistry 17.3
Aqueous solutions
Solvent
Solute
Solvation
A solution in which the solvent is water.
The dissolving medium in a solution.
Dissolved particles in a solution.
A process that occurs when an ionic solute dissolves; in a so…
Aqueous solutions
A solution in which the solvent is water.
Solvent
The dissolving medium in a solution.
10 terms
Chemistry 16.3
Nonpolar covalent bond
Polar covalent bond
Polar bond
Polar molecule
A bond formed when the atoms in a molecule are alike and the…
see polar bond
A bond formed when two different atoms are joined by a covale…
A molecule, like water, in which one or more atoms is slightl…
Nonpolar covalent bond
A bond formed when the atoms in a molecule are alike and the…
Polar covalent bond
see polar bond
6 terms
Chemistry 10.3
Melting point
Crystal
Unit cell
Allotropes
The temperature at which a substance changes from solid to a…
A substance in which the atoms, ions, or molecules are arrang…
The smallest group of particles within a crystal that retains…
One of two or more different molecular forms of an element in…
Melting point
The temperature at which a substance changes from solid to a…
Crystal
A substance in which the atoms, ions, or molecules are arrang…
5 terms
Chemistry 5.3
Atomic number
Mass Number
Isotopes
Atomic Mass Unit (amu)
The number of protons in the nucleus of an atom of an element.
The total number of protons and neutrons in the nucleus of an…
Atoms of the same element that have the same atomic number bu…
A unit of mass equal to one-twelfth the mass of a carbon-12 a…
Atomic number
The number of protons in the nucleus of an atom of an element.
Mass Number
The total number of protons and neutrons in the nucleus of an…
9 terms
KS3 Chemistry keywords
Atoms
Element
Compound
Molecule
An atom is the smallest part of an element that can exist.
A substance made of only one type of atom.
A substance which contains two or more elements chemically jo…
Non metal atoms held together by chemical bonds, they can be…
Atoms
An atom is the smallest part of an element that can exist.
Element
A substance made of only one type of atom.
Chemistry 3.6 - 3.10
VSPER
covalent compound
ion
cation
valance-shell electron-pair repulsion theory; because electro…
a chemical compound formed by the sharing of electrons
An atom or group of atoms that has a positive or negative cha…
A positively charged ion that has lost electrons
VSPER
valance-shell electron-pair repulsion theory; because electro…
covalent compound
a chemical compound formed by the sharing of electrons
41 terms
Chemistry 3
J.J. Thompson
Ernest Rutherford
The Gold Foil Experiments
Nucleus
1897 - Performed the Cathode Ray experiments and, in time, di…
Was a student of Thompson. Performed the gold foil experiment…
Ernest Rutherford shot alpha particles at a sheet of gold foi…
Small region consisting of neutrons and protons, found in the…
J.J. Thompson
1897 - Performed the Cathode Ray experiments and, in time, di…
Ernest Rutherford
Was a student of Thompson. Performed the gold foil experiment…
Chemistry 3.1 - 3.5
element
compound
mixture
homogeneous mixture
A pure substance made of only one kind of atom
A substance made up of atoms of two or more different element…
A combination of two or more substances that are not chemical…
A mixture in which substances are evenly distributed througho…
element
A pure substance made of only one kind of atom
compound
A substance made up of atoms of two or more different element…
13 terms
Level 3 chemistry shapes
Linear
Trigonal Planar
Bent 120
Tetrahedral
2 clouds, both bonding
3 clouds, all bonding
3 clouds, 2 bonding & 1 non bonding
4 clouds, all bonding
Linear
2 clouds, both bonding
Trigonal Planar
3 clouds, all bonding
3.5 Nuclear Chemistry
Nuclear reactions
Strong nuclear force
Radioactive
Alpha decay
Rxns involving changes to the nucleus of an atom as opposed t…
The force that holds the nucleus together despite the fact th…
These types of substance have an unstable nucleus that will u…
The emission of alpha particles by atoms that have too many p…
Nuclear reactions
Rxns involving changes to the nucleus of an atom as opposed t…
Strong nuclear force
The force that holds the nucleus together despite the fact th…
Chemistry #3
Convert Celsius to Kelvin.
Convert Kelvin to Celsius.
Atmospheric conversions.
Relationship between Volume and Pressure
C = K - 273
K = C + 273
760 mmHg = 1.0 atm = 101 KPa = 1.01 x 10^5 Pa
V α 1/P
Convert Celsius to Kelvin.
C = K - 273
Convert Kelvin to Celsius.
K = C + 273
16 terms
chemistry #3
atom
atomic number
mass number
neutrons formula
smallest particle of an element that keeps the properties of…
number of protons, unique for each element
protons plus neutrons
mass number mines atomic number
atom
smallest particle of an element that keeps the properties of…
atomic number
number of protons, unique for each element
16 terms
Chemistry Vocabulary List #3
Qualitative Measurements
Quantitative Measurements
Accuracy
Precision
Measurements or observations that are descriptive; for exampl…
Measurements or observations that are very specific and inclu…
The closeness of a measurement to the true value of what is b…
Describes the closeness, or reproducibility, of a set of meas…
Qualitative Measurements
Measurements or observations that are descriptive; for exampl…
Quantitative Measurements
Measurements or observations that are very specific and inclu…
6 terms
Chemistry Section 4.3
Electron Configuration
Aufbau Principle
Pauli Exclusion Principle
Hund's Rule
The arrangement of electrons in an atom
The principle that states that the structure of each successi…
The principle that states that two particles of a certain cla…
The rule that states that for an atom in the ground state, th…
Electron Configuration
The arrangement of electrons in an atom
Aufbau Principle
The principle that states that the structure of each successi…
20 terms
Modern Chemistry Chapter 3
law of conservation of mass
law of definite proportions
law of multiple proportions
atom
States that matter can be neither destroyed nor created durin…
The fact that a chemical compounds contains the same elements…
if two or more different compounds are composed of the same t…
the smallest particle of an element that retains the chemical…
law of conservation of mass
States that matter can be neither destroyed nor created durin…
law of definite proportions
The fact that a chemical compounds contains the same elements…
24 terms
Chemistry Chapter 3 Vocab
states of matter
solid
liquid
gas
the physical forms in which all matter naturally exists on Ea…
a form of matter that has its own definite shape and volume,…
a form of matter that flows, has constant volume, and takes t…
a form of matter that flows to conform to the shape of its co…
states of matter
the physical forms in which all matter naturally exists on Ea…
solid
a form of matter that has its own definite shape and volume,…
86 terms
Chemistry 3
Electrochemistry... Oxidation-Reduction…
Oxidation-Reduction (REDOX) Reactions:…
Oxidation State:
Atoms and their Oxidation States:
Any reaction where one or more electrons are transferred from…
In this reaction iron loses two electrons and two hydrogens e…
This is the apparent charge that an atom takes on while in a…
Any elemental atom= 0... Fluorine= -1 ... Hydrogen = +1 ... Hydrogen w…
Electrochemistry... Oxidation-Reduction…
Any reaction where one or more electrons are transferred from…
Oxidation-Reduction (REDOX) Reactions:…
In this reaction iron loses two electrons and two hydrogens e…
49 terms
Chemistry 3
Hydrogen
Helium
Lithium
Boron
H
He
Li
B
Hydrogen
H
Helium
He
Chemistry 3
Periodic Law
Periods
Groups
Valence
...
...
...
...
Periodic Law
...
Periods
...
61 terms
Chemistry Unit 3
photon
crest
trough
wavelength
light particle
top of a wave
bottom of a wave
distance from crest to crest (or trough to trough), expressed…
photon
light particle
crest
top of a wave
16 terms
CHEMISTRY3
ionic bond
covalent bond
polar
cohesion
bonds formed when one or more electrons are transferred from…
bonds formed when electrons are shared between atoms
a molecule in which the charges are unevenly distributed
an attraction between molecules of the same substance
ionic bond
bonds formed when one or more electrons are transferred from…
covalent bond
bonds formed when electrons are shared between atoms
Chemistry 3
Electrolyte
Electrodes
Electrolysis
Anode
A compound that conducts electricity when molten or dissolved…
Carbon rods or metallic strips that carry electrical current
chemical reactions caused by electricity
A positive electrode
Electrolyte
A compound that conducts electricity when molten or dissolved…
Electrodes
Carbon rods or metallic strips that carry electrical current
13 terms
Chemistry 13.3
Electromagnetic radiation
Amplitude
Wavelength
Frequency
A series of energy waves that travel in a vacuum at 3.0 x 10(…
The height of a wave from the origin to the crest.
The distance between two adjacent crests of a wave.
The number of wave cycles that pass a given point per unit of…
Electromagnetic radiation
A series of energy waves that travel in a vacuum at 3.0 x 10(…
Amplitude
The height of a wave from the origin to the crest.
9 terms
Chemistry Section 5.3
Atomic Radius
Ion
Ionization
Ionization Energy (IE)
One-half the distance between the canter of identical atoms t…
An atom, radical, or molecule that has gained or lost one mor…
The process of adding or removing electrons from an atom or m…
The energy required to remove an electron from an atom or ion
Atomic Radius
One-half the distance between the canter of identical atoms t…
Ion
An atom, radical, or molecule that has gained or lost one mor…
Chemistry Vocab #3
Solubility
Ductility
Density
Thermal conductivity
The ability to dissolve in another substance
the ability of a substance to be drawn, pulled, or extruded t…
A measure of how much mass is contained in a given volume.
The ability of an object to transfer heat
Solubility
The ability to dissolve in another substance
Ductility
the ability of a substance to be drawn, pulled, or extruded t…
11 terms
Chemistry 11.2-11.3
Calorimetry
Calorimeter
Enthalpy
Thermochemical equation
the measurement of heat changes for physical and chemical pro…
A device for measuring heat changes.
The heat of content of a system at constant pressure.
A chemical equation that includes the amount of heat produced…
Calorimetry
the measurement of heat changes for physical and chemical pro…
Calorimeter
A device for measuring heat changes.
48 terms
Modern Chemistry Chapter 3
law of conservation of mass
law of definite proportions
law of multiple proportions
atom
States that matter can be neither destroyed nor created durin…
The fact that a chemical compounds contains the same elements…
if two or more different compounds are composed of the same t…
the smallest particle of an element that retains the chemical…
law of conservation of mass
States that matter can be neither destroyed nor created durin…
law of definite proportions
The fact that a chemical compounds contains the same elements…
6 terms
Chemistry 1.3-1.4
Scientific Method
Observation
Hypothesis
Experiment
A method of inquiry involving observation, experiments, hypot…
Information obtained through the senses; observation in scien…
A proposed explanation for observations.
A carefully controlled, repeatable procedure for gathering da…
Scientific Method
A method of inquiry involving observation, experiments, hypot…
Observation
Information obtained through the senses; observation in scien…
13 terms
Chemistry #3 P & C
physical properties
chemical properties
physical change
chemical change
can be measured or observed without making a new substance
can be measured or observed only when a new substance is made
one or more of a substances physical properties are changed
the formation of one or more new substances
physical properties
can be measured or observed without making a new substance
chemical properties
can be measured or observed only when a new substance is made
11 terms
Chemistry - 3
Density
Groups
Periods
Metalloids
amount of mass in a given volume of a substance or object; fo…
column of elements in the periodic table, in which elements h…
a row of elements in the periodic table arranged by the atomi…
an element (e.g., germanium or silicon) whose properties are…
Density
amount of mass in a given volume of a substance or object; fo…
Groups
column of elements in the periodic table, in which elements h…
16 terms
Chemistry Unit 3
Boiling Point
Conductivity
Covalent Bonding
Dipole
The temperature at which a substance changes from a liquid to…
The ability of an object to transfer heat or electricity to a…
A bond formed when atoms share one or more pairs of electrons
A molecule or a part of a molecule that contains both positiv…
Boiling Point
The temperature at which a substance changes from a liquid to…
Conductivity
The ability of an object to transfer heat or electricity to a…
Chemistry 3
mass
matter
atom
element
a measure of amount of matter
defined as anything that has mass and takes up space
is the smallest unit of an element that maintains the chemica…
is a pure substance that cannot be broken down into simpler s…
mass
a measure of amount of matter
matter
defined as anything that has mass and takes up space
Chemistry: Element Quiz #3
Hydrogen
Helium
Lithium
Beryllium
H
He
Li
Be
Hydrogen
H
Helium
He
chemistry ch. 3
law of conservation of mass
neutron
transmutation
law of definite proportions
mass cannot be created or destroyed
a sub particle found in the nucleus of an element, has no cha…
change in the identity of a nucleus as a result in the change…
chemical compound contains the same elements in exactly the s…
law of conservation of mass
mass cannot be created or destroyed
neutron
a sub particle found in the nucleus of an element, has no cha…
20 terms
Pearson Chemistry, Chapter 3
Law of Conservation of mass
Law of Definite proportions
Law of Multiple proportions
Rutherford
the law that states that mass cannot be created or destroyed…
the law that states that a chemical compound always contains…
if two or more different compounds are composed of the same t…
Gold Foil experiment
Law of Conservation of mass
the law that states that mass cannot be created or destroyed…
Law of Definite proportions
the law that states that a chemical compound always contains…
Nuclear Chemistry - Outcome 3
Radioactivity
Nucleus / Nuclei
Emit
Radioactive decay
Unstable nuclei undergo spontaneous nuclear decay and emit pa…
The small, dense center of an atom; made of protons and neutr…
To give off.
A spontaneous process in which unstable nuclei lose energy by…
Radioactivity
Unstable nuclei undergo spontaneous nuclear decay and emit pa…
Nucleus / Nuclei
The small, dense center of an atom; made of protons and neutr…
10 terms
Chemistry 3 pics
diatomic molecule
ductile
malleable
radioactive element
a molecule that consists of two atoms of the same element
property of metals and alloys that allows them to be drawn in…
property of metals and alloys that allows them to be hammered…
element, such as radium, whose nucleus breaks down and emits…
diatomic molecule
a molecule that consists of two atoms of the same element
ductile
property of metals and alloys that allows them to be drawn in…
17 terms
Chemistry 3
Element
Chemical Bond
Molecule
Compound
Matter composed of only one kind of atom... Pure substance... Can n…
A force of attraction between two atoms holding them together…
A group of 2 more atoms connected by chemical bonds
A pure substance made of two or more DIFFERENT elements combi…
Element
Matter composed of only one kind of atom... Pure substance... Can n…
Chemical Bond
A force of attraction between two atoms holding them together…
Chemistry 3
Phase of Matter
Physical Property
Luster
Texture
A physical property that describes matter as a solid, liquid,…
A characteristic of a pure substance that can be observed wit…
Shine
How something feels; coarse, fluffy, and smooth.
Phase of Matter
A physical property that describes matter as a solid, liquid,…
Physical Property
A characteristic of a pure substance that can be observed wit…
Chemistry 3
Law of Conservation of Matter
Open system
Closed system
Product
Matter cannot be created or destroyed, it can only change form
A type of reaction where matter can escape
A type of reaction where matter should not escape
The compounds that come out of a chemical reaction
Law of Conservation of Matter
Matter cannot be created or destroyed, it can only change form
Open system
A type of reaction where matter can escape
30 terms
Chemistry Chapter 3 Atoms
Atomic Mass Unit
Atomic Number
average atomic mass
isotopes
A unit of mass that describes the mass of an atom or molecule…
Number of protons in an atom
weighted average of the atomic masses for the isotopes of an…
Atoms of the same element that have different numbers of neut…
Atomic Mass Unit
A unit of mass that describes the mass of an atom or molecule…
Atomic Number
Number of protons in an atom
Chemistry - 3
Group 1
Group 2
Group 7
Group 8
Alkali metals
Alkaline earth metals
Halogens
Inert gases or Noble gases
Group 1
Alkali metals
Group 2
Alkaline earth metals
14 terms
3. Chemistry
symbol
chemical formula
subscript
chemical reaction
One or two letters used to represent an element.
A combination of symbols and numbers that represent the numbe…
A small number to the right of a symbol that is written below…
When substances interact to form one or more new substances w…
symbol
One or two letters used to represent an element.
chemical formula
A combination of symbols and numbers that represent the numbe…
25 terms
Chemistry 3
Erosion
Evaporation
Equilibrium
Experimental variables
Wearing awat, typically by running water or wind
The changing of liquid into gas
a state of balance
Elements of an experiment that are changed ( distinguished fr…
Erosion
Wearing awat, typically by running water or wind
Evaporation
The changing of liquid into gas
chemistry 3
atomic radius
Cation
anion
ionization energy
one-half the distance between the nuclei of identical atoms t…
A positively charged ion
A negatively charged ion
The amount of energy required to remove an electron from an a…
atomic radius
one-half the distance between the nuclei of identical atoms t…
Cation
A positively charged ion
32 terms
Chemistry Chp. 3
Dalton's Atomic Theory
J.J. Thompson
Rutherford
Gold Foil Experiment
- Elements are made up of tiny particles called atoms... - All a…
discovered electrons (1st subatomic particle)
Discovered the positive nucleus of the atom
Experiment conduced by Rutherford in which he concluded that…
Dalton's Atomic Theory
- Elements are made up of tiny particles called atoms... - All a…
J.J. Thompson
discovered electrons (1st subatomic particle)
chemistry 3
Malleable
Solubility
Density
Polarity
capable of being shaped
A measure of how much solute can dissolve in a given solvent…
Mass / Volume
A lack of electrical symmetry in a molecule. Charge differenc…
Malleable
capable of being shaped
Solubility
A measure of how much solute can dissolve in a given solvent…
8 terms
Chemistry 3
Sodium Fluoride
Lithium Sulfide
Calcium Bromide
Potassium Oxide
NaF
Li2S
CaBr2
K2O
Sodium Fluoride
NaF
Lithium Sulfide
Li2S
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