(SC3) Atomic Structure Flashcards
1
Q
Atomic number…
A
number of protons
2
Q
Mass number…
A
the total number of protons and neutrons
3
Q
Isotopes are…
A
atoms of the same element but with different masses. They have the same atomic nmber but different mass numbers.
4
Q
Relative Atomic Mass (RAM) is…
A
the mean mass of an atom of an element compared with carbon-12
5
Q
Ar stands for
A
Relative Atomic Mass (RAM)