Argon

Argon
RD.COM

Ar is Argon. Argon is a colourless and odourless gas that is present in a very small part of the atmosphere.

Here are some baffling mysteries about the universe no one has figured out yet.

Advertisement

He

He
RD.COM

Hint, this is the second element on the periodic table.

Helium

Helium
RD.COM

Did you guess that He was Helium? Helium is the second most abundant element in the universe.

 

O

O
RD.COM

This one should be easy. Do you know what element O is?

Oxygen

Oxygen
RD.COM

O is the chemical symbol for Oxygen. About two-thirds of the human body is oxygen. Want to switch it up?

K

K
RD.COM

Hint, the element doesn’t start with the letter K.

Potassium

Potassium
RD.COM

The chemical symbol for Potassium is K. Potassium is essential in plant growth and the human diet.

 

Cu

Cu
RD.COM

What element is Cu?

What element is Cu?

What element is Cu?
RD.COM

Ca

Ca
RD.COM

Another element that starts with a C, Ca.

Never miss a deal again - sign up now!

Connect with us: