Period and Group
What's in a Name?
Chemistry of Life
Atomic Mass
Symbols
100

Period 1, Group 1 

What is hydrogen?

100

This element is named after the scientist Rutherford.

What is Rutherfordium? 

100

Life on earth as we know it are this-based organisms.

What is carbon?

100

The atomic mass of an atom is usually the number of protons it has, plus the number of this neutral particle.

What is a neutron?

100

Co. 

What is cobalt?

200

Period 2, Group 17

What is fluorine? 

200

Named after the Titans from Greek myth, this metal is known for it strength.

What is titanium?

200

Humans and other creatures require this gas to breathe in order to live. 

What is oxygen?

200

Protons and neutrons add together to be the atomic mass. This negatively charged particle is so small, chemists don't even count it!

What is the electron?

200

Ar.

What is argon?
300

Period 3, Group 6

What is Silicon?

300

Discovered in Russia, this element is named after the capital of that nation. 

What is moscovium?

300

Want strong bones? You'll need this element to help you out.

What is calcium?

300

This elements has an atomic mass of 15.999, sometimes shortened to just 16. 

What is oxygen?

300

Ba. 

What is barium?

400

Period 3, and the same group as boron.

What is aluminum?

400

This element is found in water, which is why its name means "water-maker."

What is hydrogen?

400

Essential for making various proteins in our body, this element is also the most plentiful in our atmosphere.

What is nitrogen?

400

This element isn't the lightest, but it is lighter than air, with an atomic mass of just 4.00.

What is helium?

400

Cu.

What is copper?

500

Same group as tin, same period as barium.

What is lead?

500

Plumbers used to work with these kinds of pipes. We no longer use pipes made from this heavy metal, but the name for plumbers stuck anyway.

What is lead? (Pb)

500

You might not think of this "ferrous" metal as something you eat, but we need it in our blood so we can grow big and strong.

What is iron?

500

This very dense metal has an atomic mass of a whopping 183.34.

What is Tungsten? 

500

Sn.

What is tin?