my mom because she is my mom
Answer:
A piece of gold foil was hit with alpha particles, which have a positive charge. Most alpha particles went right through. This showed that the gold atoms were mostly empty space. Some particles had their paths bent at large angles. A few even bounced backward. The only way this would happen was if the atom had a small, heavy region of positive charge inside it.
Answer:
D
Explanation:
D states a problem because of the population growing. Regulate means control and d stated that their was a problem and a need to control it. Therefore, d I'd really the only valid answer.
Answer:
The proton and electrons are equal,
15protons and 15electrons
Explanation:
An atom is the smallest electrical neutral particle of an element so it means that every atom have same number of protons and electrons.
Depending on the element because a metal and a non metal is ionic so non metal and a non metal is covalent