Chemistry, asked by noormajeed, 12 days ago

Which of the following elements A, B, C, D and E with atomic number 3, 11, 15, 18 and 19 respectively belong to the same

group?

Answers

Answered by chetangunjkar3

1

Answer:

3, 11, 19

Explanation:

Lithium Atomic number = 3
Sodium Atomic number= 11
Potassium Atomic number= 19

These all elements belong to same group i e. Group 1 or Alkali group.

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