A student pours exactly 100g water into an empty plastic bottle, caps the bottle, and sets it in the sun. Over time, the water evaporates, condenses, and then drips down the inside of the seal bottle?A. slightly less than 100g B. an unknown amount C. exactly 100g
D. slightly more then 100g

C- exactly 100g is the answer because the water bottle is sealed so no water gets in and no water gets out it stays the same

The proton has a positive charge while the neutron has no charge they both make up the nucleus of the atom while the elections have a negative charge and surround the nucleus of the atom. the protons and electrons are used to calculate the atom's mass whereas the neutrons don't affect the mass