Question

1 HCl is a diatomic molecule.
2. The valency of a radical is the same as the charge over it.
3. The valency of a group-14 element is 4.
4. Calcium, an element of group 2 of the periodic table, forms Ca H.​

Answer 1

Answer:

1.Hydrogen chloride, HCl, is a diatomic molecule consisting of a hydrogen atom H and a chlorine atom Cl connected by a covalent single bond. Since the chlorine atom is much more electronegative than the hydrogen atom, the covalent bond between the two atoms is quite polar.10

2.In general, the valency of a radical is the same as the charge on the polyatomic ion of the same formula.

3.As all the elements in group 14 have 4 electrons in the outermost shell, the valency of Group-14 elements is 4. They use these electrons in the bond formation in order to obtain octet configuration

Answer 2

Answer:

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