12 questions
What is this element? Use a periodic table!
Beryllium (atomic #4)
Boron (atomic #5)
Carbon (atomic #6)
Nitrogen (atomic #7)
Which element would be in group 16?
V
W
X
Y
Z
Which element would be in group 2?
V
W
X
Y
Z
This could be the dot diagram of
Mg
Cl
C
O
This is a correct dot diagram for nitrogen (N)
true
false