Members in the same family have similar chemical properties because they all 2 points
Have the same atomic radius
Have the same # of protons
Have the same # of valence electrons
Have the same # of core electrons
The number of electrons in the outermost shell of the Sodium (Na) atom is (aka valence electrons) (Hint: check the “A” group # on your Periodic Table)
2 points
6
2
1
4