Atoms - Vocabulary Test

Material that has mass and takes up some amount of space

• matter
• mass
• protons
• neutrons

The smallest unit of an element that has the properties of that element

• matter
• mass
• proton
• atom

The center of an atom containing protons and neutrons

• neutron
• nucleus
• electron
• atomic center

The chemical element consisting of one proton and one electron

• Hydrogen
• Molecule
• Atomic number
• Carbon dioxide

A pure substance that cannot be broken down into simpler substances by chemical reactions

• Element
• Hydrogen
• Nucleus
• Proton

A subatomic particle with a negative charge

• Element
• Proton
• Neutron
• Electron

A subatomic particle with a positive charge that is located in the nucleus of an atom

• proton
• neutron
• electron
• atom

A subatomic particle with no electric charge, located within the nucleus of the atom

• atomic number
• proton
• neutron
• electron

Two or more atoms joined together

• molecule
• mixture
• pure substance
• element

A material with a particular chemical makeup

• Proton
• pure substance
• electron shell
• molecules