Kjemi Flashcards

(14 cards)

1
Q

Atom

A
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2
Q

Grunnstoff

A

Alle stoffer som finnes i verden (atomer). F.eks. hydrogen, oksygen, gull og jern.

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3
Q

Proton

A
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4
Q

Nøytron

A
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5
Q

Elektron

A
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6
Q

Atomnummer

A
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7
Q

Periodesystem

A
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8
Q

Salt

A
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9
Q

Positivt ion

A
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10
Q

Negativt ion

A
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11
Q

Edelgassene

A
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12
Q

Gruppe

A

Gruppenummeret forteller hvor mange elektroner det er i ytterste skall i et grunnstoff.

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13
Q

Periode

A

Periodenummeret forteller hvor mange elektronskall et grunnstoff har.

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14
Q

Ion

A

Et ion er et ladet atom, enten negativt eller positivt ladet.

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