9/13 Element Identification Practice

Element in Period 4 with 2 valence electrons

Noble Gas in Period 2

Element with the highest conductivity in this group:  

     

P       He    Ta     Br

Tags

NGSS.HS-PS1-1

I’m the only gas in group 15

Solid nonmetal with 6 valence electrons

Element in Period 3 that forms a -2 ion

Metalloid in Group 16

Gas that forms an ion with a -3 charge

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Nonmetal solid in Period 2

Only gas on the left side of the Periodic table