Kemi kap 3 Flashcards

1
Q

Vem skapade det periodiska systemet

A

Mendelejev

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2
Q

Grupp

A

Lodrätt
Samma antal valenselektrorner

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3
Q

Grupp 1

A

Alkalmetalerna

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4
Q

Grupp 2

A

Jordalkalmetalerna

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5
Q

Grupp 17

A

Halogenerna

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6
Q

Grupp 18

A

Ädelgaser

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7
Q

Perioder

A

Vågrätta
Samma antal skal
vänster till höger metaliska egenskaper minsar

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8
Q

Oktettreglen

A

Vill ha 8 valenselektroner Heium är ett undantag vill ha 2

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9
Q

Huvudgrupper

A

Likheterna tydligare

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10
Q

Undergrupper

A

Likheterna inte jätte tydliga ( skilljs i andra yttersta skalet)

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11
Q

Elektron skal namn, storlek

A

K (2), L (8) , M (18), N (32)

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12
Q

Lågfärg litium

A

Röd

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13
Q

Lågfärg natrium

A

Gul

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14
Q

Lågfärg kalium

A

Violett

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15
Q

Lågfärg rubidium

A

Violett

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16
Q

Lågfärg för cesium

A

Blåviolett