An element that shares some properties with metals and some properties with non-metals.

Common elements

Science

In the Patterns in the periodic table unit, pupils will build on this knowledge to learn how the chemical and physical properties of different elements are indicated by their position on the periodic table and about key groups of elements. 

In the Solutions unit, pupils learnt about mixtures, solutions and dissolving in terms of the particle model.

Atoms, elements and compounds

The substance has certain risks associated with it.

What does a hazard symbol on a substance indicate?

They all conduct electricity as well as metals.

They have properties of both metals and non-metals.

Which of the following is a characteristic of metalloids?

Boron (B) is an example of a metalloid. Astatine (As) is sometimes classed as a metalloid. Give the elemental symbol of another metalloid. 

What one word can be used to give the meaning of this hazard symbol?

Which of the following hazard symbols shows that a substance is very bad for the environment, and if swallowed could kill you or other organisms that consume it?

a substance made from two or more different types of atoms bonded together

a substance made from one type of atom only.

a substance made from different types of atoms mixed together

Which of these is a common property of metals?

Most non-metals are in the {{}} state at room temperature.

Where are metals typically located on the periodic table?

Which symbol suggests there may be a fire risk/hazard?

Match the property of the substance to its potential use.

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