Chemistry, asked by Anonymous, 8 months ago

the element with atomic number 11 resembel with the element________

Answers

Answered by purujitpranshu

Answer:

11 is Na; with atomic no. 13 is Al and the element with atomic number 20 is Ca. The atomic number 4 and 20 resemble magnesium because they belong to same group having same number of valence electrons; 2.

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