Question

K, Na, H, Mg, Ca – when these are written in increasing order of their atomic size/atomic radius​

Answer 1

Answer:

K potassium

Na Sodium

H Hydrogen

Mg Magnesium

Ca calcium

Explanation:

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Answer 2

Answer:

H, Mg, Na, Ca, K

Explanation:

Left to Right:-

In the periodic chart, as we proceed from left to right, the number of shells stays constant while the nuclear charge rises by one at each step. As nuclear charge increases, electrons in the outermost shell are drawn to it with increasing force, which causes atomic size to gradually shrink over time.

Moving down:-

As we descend a group from top to bottom, both the number of shells and the nuclear charge rise. The effect of an increase in shells, however, outweighs any increase in nuclear charge. As a result, as you move down a group in the periodic table, atomic size grows.

Hence, in the periodic table, we can see the order as H, Mg, Na, Ca, and K.

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