Question: Can someone help me to answer this correctly, please, and explain it. Please answer these 2 questions, I don't have more money to buy more

Can someone help me to answer this correctly, please, and explain it. Please answer these 2 questions, I don't have more money to buy more questions. These 2 questions are different.

1. a.

Can someone help me to answer this correctly, please, and explain it.

1. b.

Please answer these 2 questions, I don't have more money to buy

What is the formula of the ionic compound expected to form between the elements Ca and I? An unknown metal, M, in the third period forms an ionic compound with the formula MF2. (a) What is the periodic group for F ? (b) What is the special name for this group? (c) What is the formula of the anion? (d) What is the formula of the cation? (e) What is the name of the compound

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