Ionic Compounds

Q. The valency of magnesium is:

1. 1
2. 2
3. 3
4. 4

Q. Metals tend to lose electrons and are electropositive in nature whereas non-metals tend to gain electrons and are electronegative. Identify the correct statement regarding the compounds formed by combining metals and non-metals.

1. They form ionic compounds
2. They form covalent compounds
3. They form metallic bonding
4. They form organic compounds

Q. A compound formed due to the transfer of electrons from a metal to a non-metal is known as a/an:

1. alloy
2. ionic compound
3. covalent compound
4. metalloid

Q.

why does carbon has valency 2 sometimes

Q.

A and B are two elements that combine to form a compound X.​

A is trivalent and B is bivalent. Predict the correct formula of X.​