Symbols
Chemistry 1
Chemistry 2
About Me
Riddle
100

What is the chemical symbol for Sodium?

Na

100

What part of an atom has a positive charge

Proton

100

What does the arrow point to in a chemical equation?

The products.

100

What is my first name?

Samantha

100

I’m tall when I’m young, and I’m short when I’m old, what am I?

A candle.

200

What element has the Symbol Kr?

Krypton

200

What is a pure substance that cannot be broken down more?

An element

200

H20 is an element compound or a mixture?

compound

200

What was my last career before teaching?

Windsurfing Coach, Vet Nurse at a Zoo

200

David’s parents have three sons: Snap, Crackle and…?

David!

300

NaCl is the chemical symbol for what common household item?

Table Salt

300

what part of an atom has a neutral charge


A Neutron


300

What happens to the particles when you cool an object?

They slow down.

300

How many pets do I have?

2

300

what is full of holes but still holds water?

A sponge.

400

What is the scientific formula for Carbon Dioxide?

CO2

400

What is the atomic mass number?


total weight of protons and neutrons

400

________________ have negative charges and arrange themselves in _____________ around the nucleas.

Electrons & Shells

400

What 2 sports do I participate in?

Horse Riding, Triathlon

400

Where can you find cities, towns, shops, and streets but no people?

A Map

500

Air is made up of the following elements and compounds, Name them all. N2 O2 CO2 H2O Ar


Nitrogen Oxygen Carbon Dioxide Water Argon


500

What is the difference in terms of volume of a gas and a solid?

Gasses take up the volume of a container, solids have a fixed volume.

500

What is the difference between a chemical change and a physical change?

New substances are formed in chemical reactions. Physical changes can be reversed.

500

How tall is my horse in cm?

165cm

500

I have keys but no locks. I have space but no room. You can enter but can’t go outside. What am I?

A keyboard