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As we move across a period in the period...

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.

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(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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DINESH PUBLICATION-PERIODIC CLASSIFICATION OF ELEMENTS-Short Ansewer Questions
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