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

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

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

An element X has 3 electrons in the outer most shell of the atom. State whether X is a metal or a non-metal.

Number of electrons present in the outer most shell of Cut ion

Number of electrons in outer most shell of Ce (Z = 58)

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

An atom of an element 'A' has three electrons in its outermost shell and that of 'B' has six electrons in the outrer most shell. The formula of the compound formed between these two elements is

Name (a) three elements that have a single electron in their outermost shells. (b) two elements that have two electrons in their outermost shells. (c) three elements with filled outermost shells.

The formula of a metal oxide Is MO. Then write the formula of its chloride.

Carbenes (: CH_(2)) are neutral species in which carbon atom has six electrons in the outer shell, out of which two constitute a lone pair and two are shared