Elements and Atoms Year 7

What is an element

• A substance that can be broken down into smaller substances.

• A substance that cannot be broken down in into other substances

________ are the building blocks of matter

• Atoms

• bananas

• elements

• particles

The atomic mass is the number of __________ plus the number of ________

• neutrons

• compounds

• batteries

• electrons

What particle is found in the nucleus and has no charge?

• Electron

• Atom

• Proton

• Neutron

Positively charged atoms are called

• Neutrons

• Protons

• Electrons

• Nucleus

The atomic particle with a negative electronical charge is the __________

• Ion

• Electron

• Neutron

• Proton

Particles with the ______ charge repel one another

• different

• same

• opposite

• larger