The answer is B. Boron
The number of electrons and protons are always the same in an atom.
There are 5 electrons which means there are also 5 protons.
The number of Protons determines the atomic number of an element.
Since the element has 5 protons its atomic number is 5, the same atomic number as Boron
The answer would be C) it is always the same as it was before the collision
Answer:
1. An encounter with the barrier
2. The distance traveled by the washer.
Explanation:
