Answer:
plz i need to ask another question i hope u understand
Explanation:
3 subatomic particles in the nucleus
which is proton(24),neutron (28) and electrons(24)
The atomic number is the numbers of protons
Answer:
Magnesium
Explanation:
Magnesium is a chemical element with the symbol Mg and atomic number 12. It is a shiny gray solid which bears a close physical resemblance to the other five elements in the second column of the periodic table: all group 2 elements have the same electron configuration in the outer electron shell and a similar crystal structure.