Question

Q) The electronic configuration of four elements A, B, C, D are as follows.
A 2, 8, 5
B 2, 8, 1
C 2, 3
D 2, 8, 6
1) Which of these elements are metals ?
2) Which of these elements are non-metals ?
3) which elements will form anion. Which elements will form cation.

Answer 1

Answer:

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Explanation:

1 . B -sodium,C-Beryllium

2. A - Phosphorus,D-Sulphur

3.Elements B and C will form cation and A and D will form anion