Math, asked by tanguturisubhashini6, 9 hours ago

77. Observe the following elements Be, Mg, CI, Ar, O. Which of the following are NOT CORRECT? 1 Be, Mg are in the same group 2. Mg, Cl are in the same period 3. 0, CL are in the same period 4.Ar is in the 4th period ​

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Answered by Hemanth534995
0

Answer:23774

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