PNE Flashcards
1
Q
Atomic Number is
A
the number of protons
2
Q
Mass Number is
A
number of protons+neutrons
3
Q
How is notation set up?
A
mass number on top
atomic number on bottom
element prefix
(if isotope a number with -/+)
4
Q
How to find number of protons
A
atomic number
5
Q
How to find number of electrons
A
same as protons unless isotope
6
Q
how to find neutrons
A
Atomic mass - protons
