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Pre-AP Chemistry Fall Semester Review

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23 cards

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Section 1

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Bohr Model

Front

1 / 23

Chemistry Science

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6 years ago

Date created

Mar 1, 2020

Cards (23)

Section 1

(23 cards)

Bohr Model

Front

Shows electrons in circular orbits around the nucleus

Back

Isotopes

Front

Atoms of the same element that differ in the number of neutrons they contain

Back

Mixture

Front

A substance consisting of two or more pure substances combined (not in fixed proportions and not with chemical bonding) that can be easily separated by physical means, such as salt water

Back

Electron charge

Front

Negative

Back

Orbital notation

Front

A way to write the electron configuration that uses arrows and shows electron pairing.

Back

Neutron charge

Front

Neutral

Back

Chemical property

Front

A property of a substance relating to its chemical reactivity

Back

Compound

Front

A substance containing a combination of different types of atoms, such as water or sodium chloride

Back

Number of neutrons

Front

Mass number - atomic number

Back

Electron configuration

Front

The arrangement of electrons in an atom

Back

Physical property

Front

A property (such as color, hardness, boiling point) of matter not involving in its manifestation of a chemical change

Back

Physical change

Front

A change from one state to another without a change in chemical composition

Back

Proton charge

Front

Positive

Back

Homogeneous mixture

Front

A mixture that is uniform throughout, such as sweet tea

Back

Chemical change

Front

A change involving the rearrangement of the atoms of one or more substances and a change in their chemical properties or composition, resulting in the formation of at least one new substance

Back

The major components of an atom

Front

Nucleus containing protons and neutrons & electron cloud containing electrons

Back

Ions

Front

Atoms that have lost or gained electrons, resulting in a positive or negative charge

Back

Heterogeneous mixture

Front

A mixture that is not uniform throughout, such as a chocolate chip cookie

Back

Number of electrons

Front

Same as the number of protons in a neutral atom

Back

Atomic number

Front

Number of protons in the nucleus of an atom

Back

Coulomb's law

Front

Opposites attract (e.g., positives and negatives attract; positive and positive repel)

Back

Element

Front

A substance containing one type of atom, such as oxygen

Back

Pure substance

Front

A substance that is made of only one type of atom or only one type of molecule/ combination of atoms such as an element or compound, such as oxygen or water

Back