Chemical Symbols
Structure
Uses
Elements
Compounds
100

H

What is the chemical symbol for Hydrogen?

100

The family on the right edge of the period table

What are Noble Gases?

100

Lightweight metal formed into thin sheets, often used in cooking

What is aluminum?

100

Atomic number 14, used in computer chips

What is silicon?

100

H2O

What is water?

200

Na

What is Sodium?

200

Group 2 classification

What are alkaline earth metals?

200

The element used to fill balloons, lighter than air

What is helium?

200

Earth's atmosphere is 78% this, chemical symbol N

What is Nitrogen?

200

NaCl

What is table salt?

300

Au

What is the chemical symbol for gold?

300

The first actinide

What is actinium?

300

The transition metal that is also the name of a coin

What is nickel?

300

The period of elements in the second-to-the-bottom row, from 57-71

What are Lanthanides?

300

CO2

What is carbon dioxide?

400

Chlorine

What element has the symbol Cl?

400

The number of metalloids

What is 7?
400

Used in nuclear weapons

What is plutonium?  or What is uranium?

400

Chemical symbol Es, atomic mass 99

What is Einsteinium?

400

Sulfur dioxide

What is SO2?
500

Lead

What element has the chemical symbol Pb?

500

The noble gas used to make bright signs for businesses

What is neon?

500

The element used in old-fashioned thermometers

What is mercury?

500

Element with an atomic mass of 15.999

What is oxygen?

500

Found in your stomach, it helps digest food, H2SO4

What is Sulfuric Acid?

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