Answer:
Explanation:
1) Valence electrons
2) Electrons
3) 2 electrons on K-shell
4) 8 electrons on L-Shell
5) 18 electrons on M-shell
6) nucleus
7) Proton
8) neutron
9) principal energy level
10) atomic number
11) symbol of the atom
12) name of the atom
13) atomic mass
<span>From the above given choices :
melting is an endothermic process</span>
Answer:
customary Is the required system
NaPO4 + KOH -> KPO4 + NaOH
already balance
For it to be the same element it must contain the same number of protons
