Beryllium has 2 electrons in its outer shell. so according to octet rule it will form bonds with __________.

According to octet rule, during bond formation __________.

According to octet rule, during bond formation __________.

An element A has 2 electrons in its, fourth shell. State its valency

The element having 18 electrons in its outer most shell is:

An element has 18 electrons in the outer most shell. The element is

An atom with 8 electrons in its outer most shell is chemically …………

An element X has 3 electrons in the outer most shell of the atom. Write the symbol of its ion.

An element X has 3 electrons in the outer most shell of the atom. Write the formula of its oxide.

The covalent molecule which has four electrons in the outer shell of each atom not included in sharing during formation of its molecule:

An atom of an element A has three electron in its outer shell and B has six electron in outermost shell. The formula of the compound formed between these two will be