Chemistry/Matter Unit Review

Anything that has mass and takes up space...

• Atoms
• Pure Substances
• Matter
• Mixutures

the smallest particle of an element that retains the properties of that element...

• Molecule
• atom
• compound
• electron

positively charged particle found in the nucleus of an atom

• Proton
• Neutron
• Electron

particle found in the nucleus of an atom that has no charge

• Electron
• Neutron
• Proton

negatively charged particle that orbits the nucleus in distinct orbitals (shells)

• Electron
• Proton
• Neutron

a pure substance that cannot be broken down into simpler substances

• Molecule
• Compound
• Atom
• Element

two or more elements chemically combine

• Mixture
• Molecule
• Compound
• Element

mixture in which you can see the different parts

• Compound
• Heterogeneous
• Homogeneous
• Solution

mixture in which you cannot see the different parts (evenly mixed)

• element
• compound
• heterogeneous
• homogeneous/solution

Chemical Property: characteristic of a substance that can be observed or measured without changing the substance

• True
• False