Question

WHICH ATOM IS BIGGER , Na OR Mg ? Why ?

Answer 1

Answer:

Na is bigger than Mg because atomic radius of sodium is greater than that of Mg.

Answer 2

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$\bf\Huge\red{\mid{\overline{\underline{ ANSWER }}}\mid }$

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$\Large\fbox{\color{purple}{QUESTION}}$

which atom is bigger sodium or magnesium? WHY ?

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$\Large\fbox{\color{purple}{ SOLUTION }}$

★ REASON ★

SODIUM IS BIGGER THAN MAGNESIUM BECAUSE ON MOVING FROM LEFT TO RIGHT IN A PERIOD THE ATOMIC NUMBER OF ELEMENTS INCREASES WHICH MEANS THAT THE NUMBER OF PROTONS AND ELECTRONS IN THE ATOM INCREASESTHE EXTRA ELECTRONS BEING ADDED TO THE SAME SHELL DUE TO THIS INCREASE NUCLEAR CHARGE THE ELECTRONS ARE ATTRACT CLOSER TO THE NUCLEUS AND THE ATOMIC SIZE DECREASES ACROSS A PERIOD

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