Question

The element ABCDE have atemic Numbers
2, 3, 7, 10, 18 respectively the element
which belong to same pered.​

Answer 1

Answer:

Answer:

A,D and E belong to same group

Explanation:

Helium have atomic number 2 (element A), neon have 10 (element D) and argon have 18(element E). all these three elements belong to

Explanation:

Answer 2

Answer:

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bs d djghsjsjjshshsjsjjdjsiid