Sid 250-252 Flashcards

1
Q

Atomens delar

A

Atomkärna: protoner (+) och neutroner
Elektronskal: elektroner (-)

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2
Q

Elektronernas rörelse

A

Kretsar runt atomkärnan

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3
Q

Atomens laddning

A

Oladdad
(positiv och negativ laddningar balanserar varandrar)

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4
Q

Sambandet mellan antalet atomtyper och antalet grundämnen?”

A

Antal atomtyper=antal grundämnen

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5
Q

Grundämnes skillndad

A

Olika antal protoner i atomkärnan=Olika atomyper

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6
Q

Samband mellan protoner och elektroner

A

Antal protoner=antal elektroner

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7
Q

Innerst elektron skal och maximum plats

A

K-skal (2 elektroner)

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8
Q

Andra elektronskal och maximum plats

A

L-skal (8 elektroner

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9
Q

Tredje innerst skal och maximum plats

A

M-skal (8 st om ytterst, 18 st om fler elektronskal)

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10
Q

Vad beror ämnes egenskaper på?

A

Atomerna

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11
Q

Elektronerna håller kvar vid banorna för

A

Elektronerna och protoner attraherar varandra

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12
Q

Antal grundämnen/max protoner i ett kärna

A

118

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