Chemistry Review for AP Environmental Science

Matter

• a measurement of the amount of matter an object contains
• anything that occupies space and has mass
• the smallest particle that can contain the chemical porperties of an element
• a particle that contains more than one atom

Mass

• a measurement of the amount of matter an object contains
• anything that occupies space and has mass
• the smallest particle that can contain the chemical porperties of an element
• a particle that contains more than one atom

Atom

• a measurement of the amount of matter an object contains
• anything that occupies space and has mass
• the smallest particle that can contain the chemical porperties of an element
• a particle that contains more than one atom

Molecule

• a measurement of the amount of matter an object contains
• anything that occupies space and has mass
• the smallest particle that can contain the chemical porperties of an element
• a particle that contains more than one atom

Element

• Substance composed of atoms that cannot be broken down into smaller components with the same characteristics
• a chart of all chemical elements known organized by their properties
• The number of protons in the nucleus of a particular element
• a molecule containing more than one element

Periodic Table

• Substance composed of atoms that cannot be broken down into smaller components
• a chart of all chemical elements known organized by their properties
• The number of protons in the nucleus of a particular element
• a molecule containing more than one element

Compound

• Substance composed of atoms that cannot be broken down into smaller components
• a chart of all chemical elements known organized by their properties
• The number of protons in the nucleus of a particular element
• a molecule containing more than one element

Atomic Number

• Substance composed of atoms that cannot be broken down into smaller components
• a chart of all chemical elements known organized by their properties
• The number of protons in the nucleus of a particular element
• a molecule containing more than one element

Mass number

• A measurement of the total number of protons and neutrons in an element
• atoms of the same element with different numbers of neutrons
• The spontaneous release of material from the nucleus of radioactive isotopes
• The time it takes for 1/2 of an original radioactive atom to decay

Isotopes

• A measurement of the total number of protons and neutrons in an element
• atoms of the same element with different numbers of neutrons
• The spontaneous release of material from the nucleus of radioactive isotopes
• The time it takes for 1/2 of an original radioactive atom to decay