<h3>
Answer:</h3>

<h3>
Step-by-step explanation:</h3>

The square roots of any perfect squares under the radical can be factored out.
The element that has exactly 5 protons in its nucleus would be:
Beryllium (Be)
I think the answer is 152 but I’m not 100% sure
For my screen I can’t see it...it’s blurry