Symbol 1
Symbols 2
Chem's Tree
Uses
Other Chemistry
100

He

Helium

100

1

Hydrogen

100

Where does a chemist eat lunch?

On a periodic table

100

Used for pencils to write

Lead

100

Smallest form of matter

Atom

200

C

Carbon

200

10

Neon

200

What is a chemist looking for when telling a joke to an experiment?

A reaction.

200

A light metal, used for making airplanes, pans, and cans

Aluminium

200

The three particles that make up an atom

Electron, Proton, Neutron

300

Fe

Iron

300

Cu

Copper
300

HIJKLMNO

H2O

300

Often seen in signs for their bright and glowy lights

Neon

300

The charge of a nucleus

Positive

400

Hg

Mercury

400

19

Potassium

400

Do you know what happened to all the dinosaurs? [Ar]

They Argon

400

Used in bleach, in chemicals to kill germs in swimming pools

Chlorine

400

Number of periods in the Periodic Table

7

500

Ag

Silver

500

W

Tungsten

500

What’s Iron Man’s favorite amusement park ride? [Fe]

The ferrous wheel

500

236 - Used in nuclear reactions, involved in the Chernobyl disaster

Uranium

500

A positively charged ion

Cation