2nd form exam quiz - 1

An element is defined as

• two or more elements chemically bonded

• Two or more elements not chemically bonded

• A substance that contains only one type of atom

• A builder named Bob with a blue cat called Pilchard

A compound is defined as

• two or more elements chemically bonded

• Two or more elements not chemically bonded

• A substance that contains only one type of atom

• A man who wears a red cape and can fly

A mixture is defined as

• two or more elements chemically bonded

• Two or more elements not chemically bonded

• A substance that contains only one type of atom

• A thousand monkeys typing a novel

Atoms are neutrally charged because

• They have an equal number of protons and electrons

• They have more protons than electrons

• Protons are positive

• Electrons are negative

These subatomic particles are found in the nucleus

• Electrons and protons

• electrons and neutrons

• Apples and pears, three for a pound, get them while they last!

• Protons and neutrons

Have no charge

• protons

• Neutrons

• electrons

• Electric cars that have been driven too far

Magnesium and oxygen make a new compound called

• Oxy mag

• Magnesium oxide

• Maganate

• Magoxygen

Lithium, nitrogen and oxygen make a new compound called

• LNO!

• Lithium nitride oxate

• Lithium nitrate

• Nitrate lithide

An experiment is done with hazardous chemicals what should definitely be worn

• Bright coloured trousers

• An iggle piggle onesie

• Safety specs

• flip-flops

A bunsen burner is drawn in a scientific diagram using

• A picture of a flame

• You just written bunsen

• An arrow pointing upwards

• A small picture of devil