The Science of Chemistry
Measurements and Calculations
Atomic Structure
Bonding and Molecular Structure
Chemical Formulas
100
Anything that has both mass and volume.
What is matter?
100
An abbreviation for the International System of Measurements.
What is SI?
100
A positively charged particle found in the nucleus of an atom.
What is proton?
100
A bond formed from the electrostatic attraction between ions with different charges.
What is ionic bond?
100
A number indicating the charge, or the apparent charge, of an atom.
What is oxidation number?
200
The process by which a solid becomes a liquid.
What is fusion?
200
The amount of space that an object occupies.
What is volume?
200
A notation that summarizes information about an isotope.
What is elemental notation?
200
Two or more elements held together by ionic bonds.
What is ionic compound?
200
A compound made up of two, and only two, elements.
What is binary compound?
300
A property of a substance that is readily observable or easy to measure, such as color, luster, and mass.
What is physical property?
300
How close a measurement or the answer to a calculation is to an accepted value.
What is accuracy?
300
A space that can be occupied by up to two electrons.
What is orbital?
300
A bond formed when both electrons that become a shared pair of electrons between two atoms are provided by only one of the atoms.
What is coordinate covalent bond?
300
A formula that represents the particles that make up a compound, as they actually exist.
What is molecular formula?
400
A change that does not result in the production of a new substance.
What is physical change?
400
A method used to convert between units of different quantities.
What is factor-label method?
400
An electron that is found in the outer energy level of an atom.
What is valence electron?
400
A compound containing carbon.
What is organic compound?
400
The mass of one molecule of a substance.
What is molecular mass?
500
The ability to do work.
What is energy?
500
A measure of the amount of matter in a given unit of volume.
What is density?
500
A term referring to the nucleus of an atom and all of the electrons other than those in the valence shell.
What is kernel?
500
A molecule with a positive and negative side, as a result of its bonds and geometry.
What is polar molecule?
500
The simplest whole number ratio of cations to anions found in a compound.
What is formula unit?
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