Science, asked by bhabanakalita, 7 months ago

two elements A and B have atomic number 12and 17 respectively.Write the compound formed by A and B.

Answers

Answered by yatharthsingh50

0

Answer:

AB2

Explanation:

Valancy of A is 2+ (2,8,2) and Valancy of B is 1- (2,8,7), so when we do a criss-cross method, we get the answer as AB2

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