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Marysya12 [62]
1 year ago
7

List three atoms or ions that have the same number of

Chemistry
1 answer:
Charra [1.4K]1 year ago
8 0

Answer:

a b and c

Explanation:

S is in period 3 so it has 3 electrons

Al is in period 3 so it has 3 electrons

P is in period 3 so it has 3 electrons

Kr is in period 4 so it has 4 electrons

Cs is in period 6 so it has 6 electrons

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