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What is an element?
One type of atom
What is the periodic table?
A table of every element.
What is a chemical symbol?
One or two letters that represent an element
What is an atomic number?
Number of protons an atom contains
What is atomic mass?
Average mass of a typical atom of that element
What is a period on the periodic table?
A row of elements across the periodic table
What is a group on the periodic table?
Column of elements on the periodic table
The arranged elements in order of the atomic number.
What are isotopes?
Different varients of the same element.
What is a molecule?
When two or more atoms combine.
Define molecular compound
Molecules frequently combining with other molecules
What is a diatomic molecule?
The simplest molecular compound that has 2 atoms.
What are valence electrons?
An Ion
What is a solution?
a homogenous mixture
What is a solute?
A substance that is dissolved into another substance
What is a solvent?
The substance into which the solute dissolves
What is a mixture?
Different substances mixed together and chemically bonded.
What is solubility?
The ability of a substance to dissolve into another substance
What affects solubility?
Temperature, gas, pressure, and concentration
What does concentration mean?
The amount of solute contained in a solution
What is pressure?
Force/Area
What unites are used to measure pressure?
Pascal
What determines the amount of pressure exerted on an object?
The amount of water or air molecules above it
What state of matter is water vapor
Gas