Unit 5- Periodic Table Flashcards

0
Q

Group/family

A

A column on the periodic table that has similar properties

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1
Q

Periodic

A

Occurs in a cycle

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2
Q

Period

A

A row on the periodic table

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3
Q

Metal

A

Usually lose electrons to become more stable

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4
Q

Nonmetal

A

Usually gain electrons to become more stable

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5
Q

Metaloids

A

Sometimes gains electrons, sometimes loses electrons

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6
Q

Valence electrons

A

The outer and/or highest energy electrons

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7
Q

Representative elements

A

The outer electrons and highest energy electrons are the same set

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8
Q

Transition elements

A

The outer electrons and highest energy electrons are different sets of electrons

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9
Q

Inert

A

Doesn’t react

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10
Q

Malleability

A

Ability to be shaped by a hammer

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11
Q

Ductility

A

Ability to be stretched into a wire

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12
Q

Ionization energy

A

The energy required to remove one valence electron

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13
Q

Electron affinity

A

The energy given off when the atom gains one electron

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14
Q

Electronegativity

A

The attraction for shared electrons

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15
Q

Semiconductors

A

Conduct at high voltages, but insulate at lower voltages