Show:
Noble Gases
Halogens
Metalloids
Alkali Metals
Other Non-Metals
100
36
What is the atomic number of Krypton?
100
Chlorine
What chemical in the Halogen family is used in most pools?
100
Arsenic
What is an ingredient in rat poison?
100
The symbol of Potassium
What is K?
100
Oxygen (O)
What is produced by plants?
200
4
What is the atomic mass of Helium?
200
Ununseptium
What is an unstable isotope in the Halogen family?
200
Element in the Metaloid family used as rocket fuel igniter
What is Boron (B)?
200
The atomic number of Lithium (Li)
What is 3?
200
Something plants exhale
What is Carbon (C)?
300
18
What is the number of neutrons in Argon-36
300
Element in the Halogen family that is used as a water disinfectant
What is Bromine (Br)?
300
Metalloid used in concrete
What is Silicon (Si)?
300
The atomic mass of Rubidium (Rb)
What is 86?
300
Sulfur
What is one chemical in gunpowder?
400
54
How many electrons does Xenon have?
400
The atomic mass of Flourine
What is 19
400
The atomic number of Germanium (Ge)
What is 32?
400
The symbol of Caesium
What is Cs?
400
An element extremely important to the chemical industry
What is Nitrogen (N)?
500
Uuo
What is the symbol for the unstable isotope in the Noble gases?
500
Iodine
What chemical is used for protection against radiation?
500
The atomic mass of Tellurium (Te)
What is 128?
500
Sodium (Na) making contact with water
What reacts violently and explodes?
500
Where is Red Phosphourus most commonly found
What is the tips of matches?