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Card 16

Front

Arrangement of the electrons in an atom in shells around the nucleus.

Back

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Card 17

Front

Atom, or group of atoms, that has gained or lost one or more electrons and so is electrically charged.

Back

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Card 18

Front

Strong electrostatic force of attraction between oppositely charged ions. Ionic bons act in all directions.

Back

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Card 19

Front

Diagram that shows how the electrons are arranged in a molecule or in ions.

Back

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Card 20

Front

Compound made up of ions.

Back

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Card 21

Front

Regular, three-dimensional pattern of ions held together by strong electrostatic forces of attraction.

Back

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Card 22

Front

Horizontal row in the periodic table. The atomic number of each element increases by one, reading them left to right.

Back

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Card 23

Front

Vertical column in the periodic table. Elements in a group have similar chemical properties.

Back

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Card 24

Front

Compound in which the atoms are joined together in molecules by covalent bonds.

Back

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Card 25

Front

Shared pair of electrons between atoms in a molecule.

Back

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