The electrical charge of the calcium ion is +2.
Answer:
cation +2
Explanation:
A cation is a positively charged ion, while an anion is a negatively charged ion. Contrary to how it sounds, when an atom loses electrons, it's charge becomes more positive. Since the calcium atom lost 2 electrons, it is a positive (+2) ion.
mole=10 x 10⁻³ : 46 g/mol = 2.17 x 10⁻⁴
Answer: 1.095 * 10^22 atoms of P.