Answer:
Because the force proton exerts is stronger than shielding effect, the atomic size decreases and electronegativity and ionization energy increases.
it loses 3 electrons
Explanation:
Tell me if I’m right
N(Ca)=3×N(Ca₃(PO₄)₂)=
=3×2.3×10²³=6.9×10²³
6.02×10²³→40g
6.9×10²³→Xg
m(Ca)=X≈45.85g
