The sub-atomic particles
The charge of a proton is
Positive
Group v11 or 17 elements are called _____
halogens
In the first orbital, there are a maximum ___ electrons that can travel
2
-3 + 5
2
2-3
-1
The charge of an electron is
negative
Group 1 elements are called ________
alkali metals
The second orbital can have ____ electrons
8
-3 + -4
-7
5-10
-5
The charge of the neutron is
neutral
Group viii or 18 is called __________
noble gases
Group 1 has ___ valence electrons
1
-30 +30
0
1-5
-4
The ___________ and __________are located in the nucleus of an atom.
Protons and neutrons
The group ii elements are called _______
alkaline earth metals
Group iii has _____valence electrons
3
-50+20
-30
-8-(-8)
0
The total number of protons and neutrons is called ____
mass number
Another name for a group is _____
a family
The group number = Number of valence electrons
True
-100+-100
-200
-10-(-6)
-4