Fill in the blanks with the appropriate word/s
If combining atoms of a compound have nearly similar electronegativities the bond between them is _________ [electrovalent/covalent].

Give reasons for If combining atoms have nearly similar electronegativities the bond between them is covalent.

Fill in the blanks with the appropriate word/s An atom is said to be a non-metal if it ___[gains/Ioses] one or more electrons.

Fill in the blanks with the appropriate word/s Elements with low electronegativity are usually _______ [metallic/non-metallic]

Fill in the blanks with the appropriate word/s from the brackets. Covalent compounds are formed by sharing electron pairs between non- metallic atoms. Non- metallic atoms having __,___,___ valence electrons [4, 5, 6, 7] share one, two or three pairs of electrons respectively.

Fill in the blanks with the appropriate word/s Elements with stable electronic configuration e.g. neon have an electron affinity value of ______ [1, 0,-1]

Fill in the blanks with the appropriate word/s Atomic size of neon is ________ [more/less] than the atomic size of fluorine.

Fill in the blanks with the appropriate word/s Element 'X in period 3 has high electronaffinity & electronegativity. It is likely to bea [metal/non-metal]

Fill in the blanks with the appropriate word/s Across a period the valence electrons ____ while down a subgroup they ____[remain same/increase by 1].

Fill in the blanks with the appropriate word/s Atomic size across a period ______ [increases/decreases] with increase in nuclear charge of the element.

Two elements X and Y combine to form a compound XY. Under what conditions the bond formed between them will be ionic ?