Calculating protons, neutrons and electrons
This particle has a positive charge
Proton
Alkali metals
Up and down columns on the periodic table are called
Groups
B
Boron
Helium
He
This particle has no charge
Neutron
Which family is also known as 2A
Alkaline Earth Metals
Side to side rows are called
Periods
Au
Gold
Silicon
Si
What two families are on the right
Noble gases and hallogens
The group number tells you the number of
Valence electrons
Zn
Zinc
Sodium
Na
What is the atomic number of nitrogen?
7
What group is known as 8A
what three groups is the periodic table split into
Non-metals, metals, metaloids
Fe
Iorn
Potassium
What is a mass number?
The number of protons and nutrons
Which family is shown in Group 18
Noble gases
In what group do you find the non-reactive noble gas
group 18
Pb
Tin
Sn