1.

As we move across a period in the periodic table, what is the gradation in the following properties ? (a) Atomic number (b) Atomic size (c) Electronegativity.

Answer»

Solution :(a) Atomic numbers of the elements increase
(b) Atomic SIZES of the elements decrease
(c) Electronegativity of the elements INCREASES. For details, consult section 5.5.


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