Answer: mass
Explanation: the protons and neutrons make up the nucleus and nearly the entire mass of the atom
Answer: Hydrogen that is not used in balloons because hydrogen burns very easily.
pls mark brainliest
Answer:
a compound
Explanation:
a compound consists of two or more elements combined
An ionic bond is composed of a cation and anion, which are charged ions. You cannot have atoms with ionic bonds, because there is no opposite attraction between charges due to atoms having a net nuclear charge of zero. Therefore, a cation and anion would most likely be joined by an ionic bond.
I believe the answer is C
