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Savatey [412]
3 years ago
9

Considering its electron

Chemistry
1 answer:
qwelly [4]3 years ago
3 0

Answer:

3 valence electrons

Explanation:

There are only 5 electrons in the outer shell of Cesium so it needs to gain 3 to become stable. The number of electrons an atom needs to lose or gain to become stable is the same as the number of valence electrons. Therefore, the answer is 3.

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