Lithium, sodium and potassium are all in the first family.
Yes.
nitrogen
What they have in common is that the ones of the same family is that they all have a close amount of protons.
the alkaline metals
They all have a different electrons
Yes.
The first family (Group 1) are the alkali metals.
nitrogen
calcuim oxygen carbon
the alkali metals
There are 2 elements in the first period, 8, 8 elements in 2nd and 3rd periods respectively,
a family is a column of elements a period is a row of elements
What they have in common is that the ones of the same family is that they all have a close amount of protons.
the alkaline metals
1, 2 and 3.
Elements in family 7 are called halogens.
They all have a different electrons