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TiliK225 [7]
3 years ago
15

In each of the following cases, give the number or the element symbol represented by X.

Chemistry
2 answers:
Dovator [93]3 years ago
7 0

Answer:

X20 Can it is answer for this question

Tasya [4]3 years ago
7 0
1) Ar, argon
2) 40
3) 15
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