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Symbols
Chemistry 1
Chemistry 2
About Me
Riddle
100

What is the chemical symbol for Sodium?

Na

100
What group of elements are highly reactive with water?
Alkali metals
100
What does the arrow point to in a chemical equation?
The products.
100

What is my first name?

Karen

100

How many months have 28 days?

All of them

200

What element has the Symbol Kr?

Krypton

200
What group of elements is on the far right of the periodic table?
Noble Gasses
200
H20 is an element compound or a mixture?
compound
200

What was my last career before teaching?

archaeologist

200

If you only had one match and entered a dark cold room where there is: a) an oil lamp b) a kerosene heater c) some kindling wood Which object would you light first?

The match

300

NaCl is the chemical symbol for what common household item?

Table Salt

300

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.

300

What happens to the particles when you cool an object?

They slow down.

300

How many children do I have?

2

300

A farmer had 17 sheep, all but 9 die. How many did he have left?

9 - all but 9 die!

400

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

Nitrogen Oxygen Carbon Dioxide Water Argon

400

What are three properties of a metal?

malleable ductile lustre others

400

What is Malleability?

The ability to be hammered into a sheet.

400

What is my favourite sport?

roller derby
400

How many of each species did Moses take on the Ark?

None - It was Noah's Ark

500

What is the symbol for the following elements? Tungsten Platinum Gold Actinium

W Pt Au Ac

500
In a solid the distance between particles is________ the movement of particles is ________ the attractive forces are _________ and the shape is _________
tiny vibrations strong fixed
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 old am I?

44

500

A ladder off the side of a boat has 3 rungs clear of the water. The rungs are 20cm apart and the tide is coming in at 1m an hour. How many rungs would be clear of the water after 30 mins?

3 - the boat floats