Elements, Compounds and Mixtures MC Quiz

Matter is the ‘stuff’ that all things are made of, including us.

The diagram shows how some types of matter are classified.

The diagram is not complete.

Elements are often divided into two sub-groups.

What are these two sub-groups A and B?

• Liquids and gases

• Non-metals and gases

• Metals and non-metals

• Metals and liquids

Which one of the following statements about compounds is correct?

• The properties of a compound are the same as the properties of the elements of which it is made up.

• At least one of the elements in a mixture must be a gas.

• It is easy to separate a compound into the elements that it is made from.

• The elements in a compound are always present in the same ratio.

Which one of the following represents the compound called carbon dioxide?

• H₂O

• CO

• CO₂

• C

Which one of the following statements is correct?

• Water and nitrogen are both compounds.

• Water and nitrogen are both compounds.

• Water and nitrogen are both elements.

• Water is a compound and nitrogen is an element.

This diagram represents a model of

• an element

• a compound

• an atom

• a mixture

Which one of the following four statements is incorrect?

• The element Mercury is a liquid at room temperature.

• Water is not an element.

• Iron contains only one type of atom.

• All elements are solid at room temperature.

True or false?

The properties of a compound will be the same as the properties of the elements that make up the compound.

• True

• False

Elements are sometimes written with two letters. Magnesium is one of these elements.

What is the symbol for magnesium?

• mG

• Mg

• MG

• mg

Study the diagrams representing elements, compounds and mixtures shown, and choose the correct statement from the following:

• Y represents an element and W represents a mixture

• Y represents a compound and Z represents a mixture.

• X represents an element and W represents a mixture.

• X represents an element and Z represents a mixture.

Tags

NGSS.MS-PS1-1

Of the four boxes shown, which one represents a model of elements only?

• A and C

• A, C and D

• B and D

• B and C