Observe the given table and answer the following question :Elements A, B, C, D, E Atomic number 11, 4, 2, 7, 19 Identify the two elements that belong to the same period and the two elements that belong to the same group. Give reason for your conclusion.
chandrika131200:
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Answers
Answered by
1
Answer:
Elements whose atomic number differences by multiples of 8 fall under the same group
Explanation:
So.A and E
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Answered by
3
Answer:
11-sodium.4-berelium 2-helium 7-nitrogen 19-potassium
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