nickolasolivas83 nickolasolivas83

18-11-2020
Chemistry

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What Determines a atoms reactivity.

A) How many protons the atom contains
B) How many energy levels the atom contains
C) Whether the atom is metal or nonmetal
D) How many valence electrons the atom contains

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gettydominic gettydominic

20-11-2020

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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