Chemistry Intro

What's the number?

100

What is the oxidation number of an element?

Zero

200

What is the oxidation number of hydrogen in a compound?

+1

300

What is the oxidation number of oxygen in a compound?

-2

400

What is the oxidation number of chlorine in HCl?

-1

500

What is the oxidation number of Cr in Cr₂O₇^2-

+6

It looks like...

100

What is the colour of oxygen gas?

Colourless

200

What is the colour of Mg²⁺ ions in solution?

Colourless

300

What is the colour of Cu²⁺ ions in solution?

Blue

400

What is the colour of permanganate ions (MnO₄^-) in solution?

Purple

500

What is the colour of nitrogen dioxide gas?

Brown

Very symbolic

100

What is the chemical symbol for iron?

Fe

200

What is the symbol of a magnesium ion?

Mg²⁺

300

What is the ionic formulae of a nitrate ion?

NO₃^-

400

What is the chemical formulae of hydrogen peroxide?

H₂O₂

500

What is the chemical formulae of potassium dichromate?

K₂Cr₂O₇

That's so random

100

What is a group of wolves called?

A pack

200

Where on the human body would you find the hammer and anvil?

Ear

300

How many items are in a bakers dozen?

13

400

In a south-east Asian country, what was the longest war of the 20th century?

The Vietnam War

500

What is the most eaten meat in the world?

Pork

Down South

100

What is the largest city in the South Island?

Christchurch

200

What is the name of the largest mountain in New Zealand found in the central South Island?

Mt Cook

300

True or false: More people live in the South Island than they do in Auckland.

False

400

What part of the South Island, found in Fiordland, is unofficially known as the "eighth wonder of the world"?

Milford Sound

500

Lake Tekapo is known for its striking blue-green water. What causes the lake to have this colour?

Water from glaciers.