Families
Elements
History
True or False
Fun Facts
100
What is the name of the fifth family on the Periodic Table?
Nitrogen Family
100
What is the rarest element on the Periodic Table?
Astatine; it forms from the decay of uranium and thorium.
100
Who created the Periodic Table?
Dmitri Mendeleev
100
Carbon is the fifth family on the Periodic Table?
True or False?
False; Carbon is the fourth.
100
When is the Periodic Table’s birthday?
March 6, 1869.
200
______ want to give away the one valance electron they have.
Alkali Metals
200
______ is the most dangerous element in the Periodic Table
Plutonium; extremely toxic and radioactive.
200
How many elements were on the first Periodic Table?
60 elements
200
Krypton is used in lightbulbs?
True or False?
True; some fluorescent lightbulbs are filled with krypton and argon.
200
What is the name of the element named after Dmitri Mendeleev on the Periodic Table?
Mendelevium