Physics, asked by shedgesagar2, 9 hours ago

What determines the chemical reactivity of elements?

Answers

Answered by sultanasultana595

14

Answer:

The number of electrons in the outermost shell of an atom determines its reactivity. Noble gases have low reactivity because they have full electron shells. Halogens are highly reactive because they readily gain an electron to fill their outermost shell.

Explanation:

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Answered by imansubasuroy

6

Explanation:

The number of electrons in the outermost shell of an atom determines its reactivity. Noble gases have low reactivity because they have full electron shells. Halogens are highly reactive because they readily gain an electron to fill their outermost shell

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