GAS
PROTON
HETEROGENEOUS MIXTURE
MASS OF 1 HELIUM ATOM
HOMOGENEOUS MIXTURE
DENSITY OF 1 CO2 MOLECULE
PHYSICAL PROPERTIES
ELECTRON
SOLID
CHEMICAL PROPERTIES
LIQUID
NEUTRON
PARTICLE IN NUCLEUS OF ATOM WITH NO CHARGE
44 AMU
VOLUME, DENSITY, MASS, BOILING POINT, MELTING POINT, STATES OF MATTER
4 AMU
FLAMMABILITY & REACTIVITY
POSITIVE PARTICLE IN NUCLEUS OF ATOM
NEGATIVE PARTICLE OF AN ATOM THAT IS OUTSIDE THE NUCLEUS
