Non-metallic properties of simple substances formed by period 2 elements with an increase in nuclear charges.

In the second period (as in any other), with an increase in the charge of the nucleus of chemical elements, their non-metallic properties will weaken.

This is due to the fact that with an increase in the charge of the nucleus, the ability of the element to donate electrons increases. This is an enhancement of metallic properties. This means that non-metallic properties will decrease.

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