Answer:
ANSWER is E
Explanation:
2H₃PO₄ + 3Ca(OH)₂→ 6H₂O + Ca₃(PO₄)₂
C is incorrect. I has 21 PROTONS in its nucleus. Not neutrons.
Answer:
Metal.
Explanation:
Metal has the smallest iconic radius in the alkaline earth metal.
Explanation:
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