Which of the following elements is electronegative?

An element ' X ' forms an ionic compound with another element ' Y '. If element ' X ' belong to $IAIA$ group element. then the charge on the ion formed by X is …………….

The number of covalent bonds in ammonia molecule is ……………

Bond length is usually given in……………

An element A forms a chloride $AC{l}_{4}ACl\_4$. The number of electrons in the valence shell of A.

Valence shell electron pair repulsion theory was proposed by …………

The shape and bond angle in Ammonia molecule is ………………

The shape and number of lone pairs of electrons in water molecule is

Valence bond theory was proposed by ……………….

If orbitals overlap along the inter-nuclear axis then bond formed is known as ……………