Naming
Sr
strontium
I have no charge, but pretty heavy. I'm the one holding the nucleus together.
Neutron
The average listed on the periodic table.
atomic mass, molar mass or atomic weight
The lightest diatomic element.
hydrogen (H2)
When reactants become products.
chemical reaction or chemical change
BaCl2
barium chloride
These particles are responsible for the volume of atoms.
electrons
My twin brother is heavier than me.
isotopes
The name of the bond making calcium chloride solid.
ionic
This measures amount of matter.
mass
SO2
sulfur dioxide
Most of the mass of matter is located here.
Nucleus
The size of the nucleus if the electrons in the atom take up the space of a football field.
marble
The value of the largest and most famous number in chemistry with 4 significant figures.
6.022 x 1023
Physical state displaying highest compressibility.
gas
CH4
methane
When the number of these particles is changed, you end up with another atom.
protons
The symbol for the heaviest transition metal.
Cn
(Copernium)
Atom, ion, molecule and ...
formula unit
The lower I am, the higher it goes.
density
HClO4
perchloric acid
Electrons pair up two by two in this location in the atoms.
Orbitals
This nuclide was made molarly famous by Avogadro.
C-12
The two most abundant gases in earth's atmosphere.
nitrogen and oxygen.
Temperature at which a substance goes from a solid to a liquid.
melting point