Answer:
A. They are isotopes.
Explanation:
An isotope is an element with the same number of protons but different number of neutrons resulting in a varied mass number/molecular weight.
Answer:
c a reaction that requires energy
Explanation:
because it's moving kind of like a human is being more spontaneous by running and or movement it just sounds spontaneous if you think about energy and if you think about the way it works or away human being moved it's hard to explain but it just makes sense why would it be because it's more ordered that one is definitely the one that don't make sense I just don't think it has nothing to do with what it's trying to ask you this answer just makes sense and has a better understanding
True. Water is a neutral substance so nothing should react to it, this makes it so that no matter how basic a metal is, it reacts the same to water.
Answer:
= 0.3 moles
Comment if you need step to step explanation.
Answer:
All atoms of isotopes of a particular element have the same number of protons, but different numbers of neutrons in their nuclei.- True