Periodic table of elements
Math
Riddles
100
What does H stand for on the periodic table of elements
Hydrogen
100
what is 20% of 23
4.6
100
I shave every day but my hair stays the same, what am i
a barber
200
What are the number's on top of the letter's on the periodic table of elements
Atomic number and Atomic Mass
200
The perimeter of the square and the circumference of the circle are equal.
What is the diameter of the circle?
Use (22/7) as an approximation for π
14cm
200
What is always in front of you but can’t be seen?
The Future
300
What is Sodium on the periodic table of elements
Na
300
289,734,123 divided by 7
41390589
300
There’s a one-story house in which everything is yellow. Yellow walls, yellow doors, yellow furniture. What color are the stairs?
There are no stairs
400
how many elements are there on the periodic table of elements 2022
118
400
what are the first 13 digits of pi
3.14159365259
400
You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?
the match
500
What does Y stand for on the periodic table of elements
Yttrium
500
679,564,235,234,465,355,346,098,653,455,356,875,454,545 divided by 1
679,564,235,234,465,355,346,098,653,455,356,875,454,545
500
What can you keep after giving to someone?
Your word