KS3 Elements and Metals

Which is the correct definition for an element?

• A substance made up of only one type of atom

• Two or more substances that are not chemically combined

• Two or more different atoms that are chemically combined

C is the correct chemical symbol for which element?

• calcium

• copper

• carbon

• caesium

The smallest part of an element is called...

• a compound

• a mixture

• an element

• an atom

Which elements are present in H₂SO₄?

• hydrogen and oxygen

• hydrogen, oxygen and sodium

• hydrogen, oxygen and sulfur

• hydrogen, oxygen and silicon

Tags

NGSS.MS-PS1-1

What is the chemical symbol for copper?

• C

• Co

• Cp

• Cu

What is the chemical symbol for gold?

• Ag

• Go

• Gu

• Au

True or false: Hydrogen atoms go around in pairs called molecules

• True

• False

Tags

NGSS.MS-PS1-1

What is the correct chemical symbol for iron?

• Ir

• I

• Fe

• Fr

Which of these is a property of metals?

• Malleable

• Cannot conduct electricity

• Dull

• Brittle

Which of the following is NOT a characteristic of most metals?

• Brittle
• Good conductor
• Ductile
• Malleable