Atomic Structure Flashcards
0
Q
Why is the relative atomic mass of chlorine not a whole number?
A
Chlorine exists as 2 isotopes, hence relative atomic mass of 35.5 is the average of these 2 isotopes.
1
Q
What are isotopes?
A
2 or more atoms with the same number of protons, but different number of neutrons/nucleons.
2
Q
What does a positive ion imply?
A
There are missing electrons.
3
Q
What does a negative ion imply?
A
There are extra electrons.
