Atomic Structure Flashcards
1
Q
How to tell what the relationship is between electron arrangement and group number?
A
Group 1 = 1 electron in the outer shell
Group 2 = 2 electrons in the outer shell
Etc
2
Q
Number of protons = ?
A
Number of electrons
3
Q
Number of neutrons = ?
A
Atomic mass - atomic number
4
Q
Atomic mass = ?
A
Number of protons + number of neutons
5
Q
Atomic number = ?
A
The number of protons in an atom
6
Q
Atomic mass, top or bottom
A
Top
7
Q
Atomic number, top or bottom
A
Bottom
8
Q
Proton charge
A
+1
9
Q
Electon charge
A
-1
10
Q
Neutron charge
A
0
11
Q
Proton mass (atomic mass units)
A
1
12
Q
Electron mass (atomic mass units)
A
1/2000
13
Q
Neutron mass (atomic mass units)
A
1
14
Q
Where do you find protons in the atom
A
In the nucleus
15
Q
Where do you find electrons in the atom
A
In shells orbiting the nucleus
