Mass
The amount of matter in an object
Weight
Relative mass
Phosphorus ^31 15 P contains how many
Protons
Neutrons
Atomic weight
P-15
N-15
E-16
AW-31
Move a shell farther from the nucleus an electron —– energy is —– when an electron moves to a closer shell.
Absorb
Released
Valence electron of Hydrogen Oxygen Nitrogen Carbon
1
2
3
4