Answer:
The answer to the number (33)is A.
The answer to the number (34) is B.
Explanation:
It's "A" because Xenon has 54 protons and 78 neutrons.
It's"B" because the number of protons in an atom is the same as the number of electrons in an atom. They have the same number unless there is a charge on it that either adds up or subtracts it.
