Atomic Structure
This particle has a negative charge
Electron
Elements in the same column are called
Groups
A bubbling liquid is a sign of this during a reaction
Gas formation
This state of matter has a definite shape and volume
Solid
The SI unit used to measure amount of substance is
Mole
The center of an atom is called
Nucleus
This element has the symbol Na
Sodium
Reactants are located on this side of a chemical equation
Left side
Liquid changing into gas is called
Evaporation
Water has this molar mass
18 g/mol
This particle has no charge
Neutron
The far-left side of the periodic table mainly contains these elements
Metals
A reaction where one compound breaks apart is called
Decomposition
This state of matter takes both the shape and volume of its container
Gas
Equations must be this to follow conservation of mass
Balanced
The number of protons in an atom equals this
Atomic number
This element is the lightest on the periodic table
Hydrogen
This gas is produced when acids react with metals
Hydrogen gas
Solid changing directly into gas is called
Sublimation
This reactant gets used up first in a reaction
Limiting reactant
This scientist created the Bohr model of the atom
Niels Bohr
This scientist organized the modern periodic table
Dmitri Mendeleev
This law states matter cannot be created or destroyed
Law of Conservation of Mass
This state of matter is commonly found in stars
Plasma
This number equals one mole of particles
6.022 x 10^23 or Avogadro’s number