Challenge 3
T. Trimpe 2008 http://sciencespot.net/
Use a periodic table and your knowledge of the
element families to identify each element by name.
1. I am a Noble Gas that is found in the 6th period.
2. I am a member of the Alkaline Earth family and have 88
electrons.
3. I am a transition metal that is a liquid at room
temperature.
4. I am a member of the Carbon family that is found in the
5th period.
5. I am a Halide that is a gas at room temperature and have
3 energy levels.
The answers are …
1. I am a Noble Gas that is found in the 6th
period.
Radon
2. I am a member of the Alkaline Earth family
and have 88 electrons.
Radium
3. I am a transition metal that is a liquid at
room temperature.
Mercury
4. I am a member of the Carbon family that is
found in the 5th period.
5. I am a Halide that is a gas at room
temperature and have 3 energy levels.
Tin
Chlorine