#1 Classifying Matter - Year 8

A small particle that is a building block of matter

• atom

• mixture

• element

• matter

A substance that consists of just one type of atom

• atom

• mixture

• element

• compound

Anything that has mass and takes up space

• atom

• mixture

• element

• matter

H₂O is an example of...

• an atomic number

• an element symbol

• a chemical formula

• an equation

Which part of an atom is POSITIVELY charged?

• protons

• neutrons

• electrons

• atoms

Which part of an atom is NEGATIVELY charged?

• protons

• neutrons

• atoms

• electrons

Two or more atoms held chemically bonded together are called

• a molecule

• an element

• an atom

• a compound

Particles in an atom that have no charge are called

• negatrons

• electrons

• neutrons

• protons

Elements are

• many types of atoms

• one type of atom

• found in the the periodic table

• molecules

How many hydrogen atoms are there in a water molecule?

• 0

• 1

• 2

• 3