Chapter–1: Filling blanks.

The number of bonds which silicon usually forms to complete its valence shell and obey the octet rule is _______.

The element having a high electron affinity favors the formation of a/an _______.

_______ bonding occurs by sharing valence electrons between the atoms involved in the bond.

The strength of sharing or transferring the valence electrons depends on the _______ of the atoms involved in the chemical bonding.

For an atom, the number of valence electrons is equal to its _______ number in the Periodic Table.

The attraction between a negatively charged ion and a positively charged ion is a (an) _______ attraction.

_______ chloride ions are needed to cancel the 2+ charge of magnesium in magnesium chloride.

A chemical bond formation that involves the complete transfer of electrons between atoms is called a(an) _______ bond.

The number of lost or gained electrons by an atom during ionic bonding is the same as the _______ of that element.

Atoms that have a positive or negative charge are called _______.