Answer:

when there is a radical in the denominator, we should rationalize (mutiply the denominator and numerator by the radical) to get rid of the radical in the denominator.
Yes it can. i hope i helped
Answer:
You determine the number of protons by its atomic number, just like electrons.
I am joyous to assist you anytime.
Answer:
Here's what I've found
Explanation:
Refer to the attachment !