atoms - chemistry Flashcards
1
Q
what is an ion?
A
an ion is the loss or gain of electrons
2
Q
what is an isotope?
A
an isotope is when an atom has the same number of protons but different neutrons
3
Q
what does the mass number tell us?
A
the amount of protons and nuetrons
4
Q
what does the atomic number tell us?
A
The amount of protons and electrons
