Kemia 4 Flashcards

1
Q

Suhteellinen atomimassa

A

Ar=suhteellinen osuus*isotooppien suhteellisella atomimassalla/100
- Atomin paino

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2
Q

Jakso

A
  • vaakarivi
  • kertoo elektronikuorien määrän.
  • 7kpl
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3
Q

Ryhmät

A
  • Pystyrivi

- Pääryhmien ulkoelektronien määrä

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4
Q

Alkalimetallit

A
  • 1 ryhmä
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5
Q

maa-alkalimetallit

A

-2 ryhmä

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6
Q

pniktogeeni

A

15 ryhmä

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7
Q

kalkogeeni

A

16 ryhmä

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8
Q

halogeeni

A

17 ryhmä

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9
Q

jalokaasu

A

18 ryhmä

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10
Q

lantanoidi

A

ala 1

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11
Q

aktinoidit

A

ala 2

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12
Q

pääryhmät

A

1-2 ja 13-18

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13
Q

mooli

A

Kemian tärkeän suureen, ainemäärän yksikkö

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14
Q

Avogadron vakio

A

-6,022* 10 potenssi23
-NA ja mol
- n=Ainemäärä(mol)
=
-N=hiukkasten lukumäärä(kpl)
-NA= Avogadon(mol)

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15
Q

Ainemäärä hiukkasten määräksi

A

N=n*NA

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16
Q

Ainemäärä massasta

A

n=ainemäärä

m=massa (g)
M=moolimassa (g/mol)

17
Q

Massa ainemäärästä

A

m=n*M