Review Ch 2 and 4

The most basic unit of matter that can't be broken down and consists of 3 main parts

• Atom
• Mixture
• Element
• Compound

A subatomic particle found in the nucleus of an atom and carries a positive charge.

• Proton
• Neutron
• Electron
• Atom

A subatomic particle found in the nucleus of an atom and carries a neutral charge.

• Proton
• Neutron
• Electron
• Atom

Smallest particle in an atom found in the electron shell, carries a negative charge.

• Proton
• Neutron
• Electron
• Atom

The center of an atom, made up of protons and neutrons.

• Neutron
• Nucleus
• Cloud
• Stomach

A substance made up of only one type of atom and cannot be broken down into a simpler substance.

• Element
• Compound
• Mixture
• Atom

Atoms of the same element with extra or missing neutrons.

• Isotope
• Ion
• Proton
• Neutral

A substance made up of two or more different types of atoms bonded together

• Atom
• Element
• Compound
• Mixture

A combination of 2 or more substances that have different properties

• Solution
• Compound
• Heterogeneous Mixture
• Homogeneous Mixture

A combination of two or more substances that have the same uniform appearance and composition, often called solutions.

• Solution
• Compound
• Heterogeneous Mixture
• Homogeneous Mixture