Atomic Structure Flashcards
0
Q
What is the atomic number
A
The amount of protons
1
Q
What is the mass number
A
Protons and neutrons added together
2
Q
How do you find out the amount of electrons
A
Atomic number - as electrons are the same number as protons
3
Q
What are isotopes
A
Isotopes are atoms which have the same atomic number but different mass numbers e.g. Carbon-12 carbon-13 an carbon-14
4
Q
How much can each energy level hold
A
1-2
2-8
3-8 or 18