Question

31. The electronic configuration of calcium (Z - 2011: 2, 8, 8, 2.
Since it has only two valence electrons, it is present in group 2. Is it a metal.
(11) Both potassium (K) and calcium (Ca) are present in the fourth period. Since atomic size
decreases along a period. Is calcium smaller in size?
(ili) The valency of calcium is 2. What will be the formula for Calcium chloride.
(3)​

Answer 1

Answer:

The formula for calcium chloride will be

Answer 2

ᴘʟᴇᴀꜱᴇ ᴍᴀʀᴋ ᴀꜱ ʙʀᴀɪɴʟɪᴇꜱᴛ ᴀɴꜱᴡᴇʀ ᴀɴᴅ ᴅʀᴏᴘ ᴀ ᴛʜᴀɴᴋꜱ !