Atomic Structure Flashcards
1
Q
Nutorns
A
Nucleus
Charge 0
Mass 1
2
Q
Electrons
A
Shell
Charge -1
Mass 1/1840
3
Q
Protons
A
Nucleus
Charge +1
Mass 1
4
Q
Modern model of the atom
A
3 sub-atomic partials called protons, neutrons , and electrons
5
Q
How many electrons can each shell hold
A
1=2
2=8
3=8
4=8
6
Q
Electrical charge
A
An armed as a hole has no electrical charge because there are the same number of protons and electrons.
7
Q
Parts of an element
A
Larger top number= mass number
Smaller bottom number= atomic number
