atomic-structure

Question: Number of protons,neutrons and electrons in the element $_{89}^{231}Y$ is

1) 89,231,89

2) 89,89,242

3) 89,142,89

4) 89,71,89

Solution:

Explanation: No Explanation

atomic-number

Rate this question:

★ ★ ★ ★ ★

Average rating: (0 votes)