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12 terms
Chemistry #2
Element
Compound
Molecule
Mixture
Substance made of only one kind of atom, a pure substance
Substance made of 2 or more DIFFERENT atoms chemically joined
substance made of ANY atoms chemically joined
Substance in which elements, compounds and molecules are mixe…
Element
Substance made of only one kind of atom, a pure substance
Compound
Substance made of 2 or more DIFFERENT atoms chemically joined
47 terms
Chemistry 2
the salt made from hydrochloric acid is
the salt made from sulfuric acid is
the salt made from nitric acid is
An acid and an alkaline makes
chloride
sulfate
nitrate
a salt and water
the salt made from hydrochloric acid is
chloride
the salt made from sulfuric acid is
sulfate
11 terms
chemistry 2
dense
density
gas
liquid
Closely packed together (adjective)
Mass divided by volume D=m/v... A measure of how much mass is co…
A state of matter with no definite shape or volume
A state of matter that has no definite shape but has a defini…
dense
Closely packed together (adjective)
density
Mass divided by volume D=m/v... A measure of how much mass is co…
30 terms
Chemistry 2
2 PARTICLES FOUND IN THE NUCLEUS
NUMBER OF PROTONS IN AN ATOM IS THE SA…
WHO CREATED THE PERIODIC TABLE?
ROW OF ELEMENTS IN A PERIODIC TABLE
PROTONS AND NEUTRONS
ATOMIC NUMBER
DMITRI MENDELEEV
PERIOD
2 PARTICLES FOUND IN THE NUCLEUS
PROTONS AND NEUTRONS
NUMBER OF PROTONS IN AN ATOM IS THE SA…
ATOMIC NUMBER
21 terms
Chemistry 2
boiling point
melting point
acid
base
temperature at which a liquid boils and substance changes fro…
temperature at which a solid can change to a liquid
identified by their sour taste, reaction to metals, and react…
identified by the bitter taste, slippery feel, and reaction t…
boiling point
temperature at which a liquid boils and substance changes fro…
melting point
temperature at which a solid can change to a liquid
14 terms
Chemistry 2.2.1
J.J. Thomson
Plum-Pudding Model
Robert Millikan
Ernest Rutherford
A British physicist credited for the discovery of the electro…
An atomic model proposed by Thomson in the late 1800s, but no…
An American experimental physicist, known for measuring the c…
A British physicist who discovered the atomic nucleus. Experi…
J.J. Thomson
A British physicist credited for the discovery of the electro…
Plum-Pudding Model
An atomic model proposed by Thomson in the late 1800s, but no…
18 terms
Chemistry Standard 2
Quanta
Wavelength
Nuclear Radiation
Emit
Having to do with light; it's particles and changes in the en…
The distance between two crests or troughs; red light is long…
The breakdown of large unstable nuclei; this is the forms of…
The giving off of particles or waves of energy
Quanta
Having to do with light; it's particles and changes in the en…
Wavelength
The distance between two crests or troughs; red light is long…
28 terms
Chemistry 2
in the nucleus
on the energy level
yes
Electrons are shared or stripped away
Where are protons and neutrons located?
Where are electrons found?
Do atoms almost always have the same number of protons, elect…
What happens when electrons are involved in a chemical reacti…
in the nucleus
Where are protons and neutrons located?
on the energy level
Where are electrons found?
18 terms
Chemistry Chapter 2.1-2.2
Matter
Mass
Substance
Physical property
Anything that takes up space and has mass.
The amount of matter that an object contains; the SI base uni…
A sample of matter having a uniform and definite composition;…
A quality of a substance that can be observed or measured wit…
Matter
Anything that takes up space and has mass.
Mass
The amount of matter that an object contains; the SI base uni…
12 terms
Chemistry 2
Atom
Element
Parts of an Atom
Periodic Table
a. Most basic unit of matter - building block particle... b. Can…
a. A pure chemical substance consisting of a single type of a…
a. Proton (p+)... 1) Positively charged particles ... 2) Mass much…
1. Display of all known elements arranged by Atomic Number... 2.…
Atom
a. Most basic unit of matter - building block particle... b. Can…
Element
a. A pure chemical substance consisting of a single type of a…
15 terms
Chemistry 2.1 - 2.4
Atom
Dalton's atomic theory
element
Dalton's atomic model
Smallest particle of an element. Examples include C, H, and O
1) All matter is made atoms, which are indivisible. 2) Atoms…
A pure substance made of only one kind of atom. Examples incl…
His design of the atomic model is tiny , solid sphere
Atom
Smallest particle of an element. Examples include C, H, and O
Dalton's atomic theory
1) All matter is made atoms, which are indivisible. 2) Atoms…
Chemistry #2
struck
bent
polish
luster
to have been hit or strike
past tense of bend (to change form, to curve)
to make shiny
the quality of giving off light, brightness, glitter
struck
to have been hit or strike
bent
past tense of bend (to change form, to curve)
10 terms
Chemistry - 2
Electron Cloud
Energy Shell
Neils Bohr
Orbit
in the electron cloud model of the atom, region around the nu…
Niels Bohr is one of the major voices in the early developmen…
a path an object takes as it travels around another object.
Electron Cloud
in the electron cloud model of the atom, region around the nu…
Energy Shell
69 terms
Chemistry Chapter 2
Physical Properties
Chemical properties
Physical changes
Chemical changes
Can be observed or measured without changing the identity of…
Describes matter based on the ability to change into new matt…
Any change that DOES NOT alter the chemical composition of a…
A change that occurs when one or more substances change into…
Physical Properties
Can be observed or measured without changing the identity of…
Chemical properties
Describes matter based on the ability to change into new matt…
18 terms
Chemistry Chapter 2
Chemical Energy
Chemical Bond
Kinetic Energy
Potential Energy
The energy that matter possesses because of its chemical make…
A mutual attraction between different atoms that binds the at…
Energy a moving object has because of its motion.
Energy an object has because of its position. Stored energy.
Chemical Energy
The energy that matter possesses because of its chemical make…
Chemical Bond
A mutual attraction between different atoms that binds the at…
34 terms
A2.2 Chemistry Terms and Definitions.
Base peak
Fragment ion
High resolution mass spectrometry
Low resolution nmr
Tallest peak in a mass spectrum.
A positively charged ion produced when the molecular ion brea…
Measuring masses to many decimal places.
A spectrum which does not show the splitting pattern.
Base peak
Tallest peak in a mass spectrum.
Fragment ion
A positively charged ion produced when the molecular ion brea…
15 terms
Unit 2 Chemistry
physical change (definition)
solid
liquid
gas
a change in size, shape, color, odor, and texture but not cha…
definite shape, fixed size
no definite shape, fixed size
gas no definite shape, no fixed size
physical change (definition)
a change in size, shape, color, odor, and texture but not cha…
solid
definite shape, fixed size
18 terms
Chemistry 2
Matter
Three states of matter
Solid
Crystalline
Has mass, takes up space
Solid, liquid, gas
Definite shape and volume
Solid with molecules that exist in regular, repeating, geomet…
Matter
Has mass, takes up space
Three states of matter
Solid, liquid, gas
50 terms
AS2 Chemistry Terms and Definitions.
Empirical formula
Molecular formula
Molar gas volume
Homologous series
A formula which shows the simplest whole number ratio of atom…
A formula which shows the actual number of atoms of each elem…
The volume of one mole of gas under specified conditions of t…
Compounds which have the same general formula, similar chemic…
Empirical formula
A formula which shows the simplest whole number ratio of atom…
Molecular formula
A formula which shows the actual number of atoms of each elem…
31 terms
Chemistry Chapter 2
mass
volume
extensive property
intensive property
the amount of matter an object contains; weight; often measur…
the amount of space something takes up; can be measured using…
depends on the amount of matter in a sample; ex: mass of diam…
depends on the type of matter in a sample; ex: hardness of di…
mass
the amount of matter an object contains; weight; often measur…
volume
the amount of space something takes up; can be measured using…
36 terms
Chemistry Ch. 2/Sec. 2A
matter
physical properties
density
malleability
anything that occupies space and has mass; the basic building…
determined by how the particles that compose the material rel…
the amount of matter packed into a given volume
shapeable; materials that can be hammered easily into shapes…
matter
anything that occupies space and has mass; the basic building…
physical properties
determined by how the particles that compose the material rel…
20 terms
Chemistry2
Alpha Particle
Band Of Stability
Beta Particle
Film Badge
A cluster of 2 protons and 2 neutrons emitted from a nucleus…
the location of stable nuclei on a neutron-proton plot
a high-speed electron or positron emitted in the decay of a r…
a device containing photographic film that registers the wear…
Alpha Particle
A cluster of 2 protons and 2 neutrons emitted from a nucleus…
Band Of Stability
the location of stable nuclei on a neutron-proton plot
59 terms
Chemistry Vocabulary: Unit 1 and 2
accuracy
base unit
chemical
chemical change
refers to how close a measured value is to an accepted value.
a defined unit in a system of measurement that is based on an…
a compound or substance that has been purified or prepared, e…
a process that involves one or more substances changing into…
accuracy
refers to how close a measured value is to an accepted value.
base unit
a defined unit in a system of measurement that is based on an…
34 terms
Chemistry Lab Equipment 2
graduated cylinder
buret
ring stand
test tube
Used to measure a fairly accurate volume of liquids.
Used in titrations to measure precisely how much liquid is ne…
Used to hold items being heated. Clamps or rings can be used…
Used for small scale experiments or chemical reactions.
graduated cylinder
Used to measure a fairly accurate volume of liquids.
buret
Used in titrations to measure precisely how much liquid is ne…
79 terms
Chemistry (2)
Cation
Anion
What do anions and cations form?
Valence electrons
a positively charged atom that has lost electrons
Negatively charged atom that has gained electrons
they form to create stable atoms with full electrons shells…
Electrons found in the outer shell of an atom
Cation
a positively charged atom that has lost electrons
Anion
Negatively charged atom that has gained electrons
12 terms
Chemistry 2 Terms
atomic structure
chemical reaction
energy types
energy (food)
the structure of an atom, theoretically consisting of a posit…
(chemistry) a process in which one or more substances are cha…
renewable: hydropower, biomass, wind, solar, geothermal, biof…
highlights how most of the energy system move
atomic structure
the structure of an atom, theoretically consisting of a posit…
chemical reaction
(chemistry) a process in which one or more substances are cha…
25 terms
2 Chemistry
PURE SUBSTANCE
ELEMENT
ATOM
COMPOUND
MATTER THAT ALWAYS HAS EXACTLY THE SAME COMPOSITION. (SAMPLES…
A SUBSTANCE THAT CANNOT BE BROKEN DOWN INTO SIMPLER SUBSTANCE…
THE SMALLEST PARTICLE OF AN ELEMENT
A SUBSTANCE THAT IS MADE FROM TWO OR MORE SIMPLER SUBSTANCES…
PURE SUBSTANCE
MATTER THAT ALWAYS HAS EXACTLY THE SAME COMPOSITION. (SAMPLES…
ELEMENT
A SUBSTANCE THAT CANNOT BE BROKEN DOWN INTO SIMPLER SUBSTANCE…
20 terms
chemistry #2
law of conservation of energy
conduction
convection
radiation
states that energy can't be created or destroyed; only transf…
transfer of heat energy between substances or particles that…
transfer of heat energy caused by currents
heat transfer through empty spaces
law of conservation of energy
states that energy can't be created or destroyed; only transf…
conduction
transfer of heat energy between substances or particles that…
22 terms
Chemistry Vocabulary List #2
Atom
Atomic mass
Atomic number
Electron
the basic unit of a chemical element
mass of an atom of a chemical element expressed in atomic mas…
number of protons in the nucleus of an atom, which determines…
particle with a charge of negative electricity, found in all…
Atom
the basic unit of a chemical element
Atomic mass
mass of an atom of a chemical element expressed in atomic mas…
20 terms
Chemistry Element Symbols #2
cooper
zinc
silver
tin
Cu
Zn
Ag
Sn
cooper
Cu
zinc
Zn
48 terms
Chemistry 2
Rutherford's Experiment (3)
Isotope
Radioactive Isotopes
Carbon-14 Isotope
Rutherford fired alpha particles at gold foil, and he discove…
An atom with a different number of neutrons
Isotopes that decay over time and can be used to date remains.
Used to date remains under 60'000 years old
Rutherford's Experiment (3)
Rutherford fired alpha particles at gold foil, and he discove…
Isotope
An atom with a different number of neutrons
10 terms
Chemistry Basics 2
mixture
homogeneous
heterogeneous
temperature
two or more substances physically combined; each substance re…
a mixture where the particles of one substance are evenly spr…
a mixture where the particles of the substances are not evenl…
a measure of the average kinetic energy of a substance
mixture
two or more substances physically combined; each substance re…
homogeneous
a mixture where the particles of one substance are evenly spr…
60 terms
Chemistry 2: Chapter 14
gas
liquid, and gas
gas
gas
Which phases(s) of matter has the greatest particle spacing?
Which phase(s) of matter has no definite shape?
Which phase(s) of matter has no definite volume?
Which phase(s) of matter has the greatest amount of energy?
gas
Which phases(s) of matter has the greatest particle spacing?
liquid, and gas
Which phase(s) of matter has no definite shape?
39 terms
Ch. 2: The Chemistry of Life
atom
nucleus (of an atom)
electron
element
The basic unit of matter
the center of the atom, which contains the protons and neutrons
A negatively charged particle located outside the nucleus of…
A pure substance made up of only one type of atom; there are…
atom
The basic unit of matter
nucleus (of an atom)
the center of the atom, which contains the protons and neutrons
31 terms
Modern Chemistry Chapter 2
Scientific Method
OHEC! Not again!
Theory
Model
a logical approach to solving problems by observing and colle…
Observation: use your senses... Hypothesis: educated guess... Exper…
broad and extensively tested explanation of why experiments g…
an explanation of how phenomena occur and how data or events…
Scientific Method
a logical approach to solving problems by observing and colle…
OHEC! Not again!
Observation: use your senses... Hypothesis: educated guess... Exper…
10 terms
Chemistry Unit 2
Alpha Decay
Beta Decay
Daughter Isotope
Electron Capture
When two protons and two neutrons are released from the nucle…
occurs when a neutron in an atom's nucleus changes into a pro…
the stable isotope produced by the radioactive decay of the p…
An electron is pulled in by the nucleus, the electron combine…
Alpha Decay
When two protons and two neutrons are released from the nucle…
Beta Decay
occurs when a neutron in an atom's nucleus changes into a pro…
18 terms
Chemistry: Module 2 Review
energy
work
heat
hypothesis
the ability to do work
the force applied to an object times the distance that the ob…
Energy that is transferred as a consequence of temperature di…
an educated guess that attempts to explain an aspect of the w…
energy
the ability to do work
work
the force applied to an object times the distance that the ob…
249 terms
Chemistry 2
When are compounds formed?
How do atoms of elements join together?
What do atoms of the noble gases have?
What is covalent bonding?
When two or more elements react together
By sharing electrons or by transferring electrons to achieve…
stable electronic structures
When atoms of non-metals join together by sharing electrons
When are compounds formed?
When two or more elements react together
How do atoms of elements join together?
By sharing electrons or by transferring electrons to achieve…
20 terms
group 2 chemistry
How many electrons are in the outer sh…
When group 2 elements react what is th…
Show the spd electron configurations f…
Explain the trend in atomic radius and…
2 electrons
2+
Be: 1s²2s² ... Mg:1s²2s²2p⁶3s² ... Ca:1s²2s²2p⁶3s²3p⁶4s²... Ca²⁺: 1s²2…
The radii increases because there is an extra shell as you go…
How many electrons are in the outer sh…
2 electrons
When group 2 elements react what is th…
2+
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.
76 terms
Chemistry unit 2 review!
(CrO4)-2
(NH4)+1
(SO4)-2
(NO3)-1
Chromate
Ammonium
Sulfate
Nitrate
(CrO4)-2
Chromate
(NH4)+1
Ammonium
14 terms
Chemistry #2
Matter with a uniform an definite comp…
Physical blends of two or more substan…
Substance made of 2 or more elements j…
Mixture having a uniform structure or…
Substance
Mixture
Compound
Homogeneous
Matter with a uniform an definite comp…
Substance
Physical blends of two or more substan…
Mixture
67 terms
Chemistry Chapter 2 Matter
matter
chemical bond
atom
diffusion
Anything that has mass and takes up space
a force that holds two or more atoms together
the basic particle of matter from which all other matter is c…
the process of spreading out and mixing due to particle motion
matter
Anything that has mass and takes up space
chemical bond
a force that holds two or more atoms together
19 terms
Chemistry 2
Matter
Solid
Liquid
Viscosity
1.Anything that has mass and takes up space.... 2. Has mass and…
1.Definite shape and volume... 2. A hard substance.
1.A state of matter that has no definite shape but has a defi…
1.A liquid's resistance to flowing.... 2. Resistance to flowing.
Matter
1.Anything that has mass and takes up space.... 2. Has mass and…
Solid
1.Definite shape and volume... 2. A hard substance.
22 terms
Chemistry Topic 2 Formulas and Equations
Analysis
Chemical change
Coefficient
Decomposition
A reaction that is the reverse of a synthesis reaction. A sin…
A change in which the identity of the products differs from t…
A number written in front of a formula.
A single compound is broken down into two or more simpler sub…
Analysis
A reaction that is the reverse of a synthesis reaction. A sin…
Chemical change
A change in which the identity of the products differs from t…
22 terms
Chemistry 2
photosynthesis
chemosynthesis
evaporation
transpiration
process used by plants and some other organisms to convert li…
process used by some bacteria to convert chemical energy to e…
process by which water changes from a liquid into a gas
loss of water from a plant though its leaves
photosynthesis
process used by plants and some other organisms to convert li…
chemosynthesis
process used by some bacteria to convert chemical energy to e…
Chemistry 2
Periodic Table
Period
Group
Alkali Metal
A chart of the elements showing the repeating pattern of thei…
A horizontal row of elements in the periodic table
A column on the periodic table
Group 1 of the periodic table, has 1 electron on its outer sh…
Periodic Table
A chart of the elements showing the repeating pattern of thei…
Period
A horizontal row of elements in the periodic table
31 terms
Pearson Chemistry Chapter 2 Vocabulary
mass
volume
extensive property
intensive property
the amount of matter an object contains; weight; often measur…
the amount of space something takes up; can be measured using…
depends on the amount of matter in a sample; ex: mass of diam…
depends on the type of matter in a sample; ex: hardness of di…
mass
the amount of matter an object contains; weight; often measur…
volume
the amount of space something takes up; can be measured using…
8 terms
CHEMISTRY 9-2
METRIC SYSTEM CONVERSION 1
METRIC SYSTEM CONVERSION 2
METRIC SYSTEM CONVERSION 3
METRIC SYSTEM CONVERSION 4
METRIC SYSTEM CONVERSION 1
METRIC SYSTEM CONVERSION 2
124 terms
Chemistry 2
physical properties depend on the bala…
IMF __________ molecules ____________
Kinetic Energy ____________ molecules
list the three IMFs
IMFs and Kenetic energy
pulls, together
separates
1. London Dispersion... 2. Dipole-Dipole... 3. Hydrogen bonding
physical properties depend on the bala…
IMFs and Kenetic energy
IMF __________ molecules ____________
pulls, together
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