Inför test - Kemi

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Oxidjon

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68 Terms

1

Oxidjon

Syre

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2

Sulfatjon

Svavel

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3

Nitridjon

Kväve

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4

Fosfidjon

Fosfor

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5

Frätande

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6

Gas under tryck

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7

Oxiderande

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8

Explosiv

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9

Brandfarlig

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10

Miljöfarlig

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11

Giftig

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12

Hälsofarlig

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13

Skadlig

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14

Peleusboll

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15

E-kolv

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16

Provrör

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17

Urglas

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18

Mätglas

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19

Bägare

Vad är detta?

<p>Vad är detta?</p>
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20

Byrett

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21

Vollpipett

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22

Flaskborste

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23

Pipett

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24

Spatel

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25

Degel

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26

Degeltång

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27

Mortel med pistill

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28

Tratt

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29

Stativ

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30

Stativmuff

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31

Bunsenbrännare

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32

Mätkolv

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33

HCl

Saltsyra

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34

H2SO4

Svavelsyra

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35

HNO3

Salpetersyra

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36

H2CO3

Kolsyra

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37

H3PO4

Fosforsyra

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38

Cl-

Kloridjon

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39

SO42-

Sulfatjon

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40

NO3-

Nitratjon

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41

CO32-

Karbonatjon

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42

PO43-

Fosfatjon

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43

Smältning

Fast - flytande

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44

Avdunstning / kokning

Flytande - gas

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45

Kondensering

Gas - flytande

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46

Frysning

Flytande - fast

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47

Sublimering

Fast - gas

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48

Sublimering

Gas - fast

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49

Hydroxidjon

OH-

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50

Vätesulfatjon

HSO4-

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51

Vätekarbonatjon

HCO3-

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52

Divätefosfatjon

H2PO4-

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53

Ammoniumjon

NH4+

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54

Legering

En fast lösning av två eller flera metaller. Tex brons, mässing eller rostfritt stål.

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55

Reaktant

Det ämne/de ämnen som finns från början i en kemisk reaktion.

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56

Produkt

Det ämne/de ämnen som bildas i en kemisk reaktion.

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57

Joniseringsenergi

Den energi som krävs för att separera en elektron från atomen och därmed göra en atom positivt laddad.

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58

Exciterad atom

En atom som har en eller flera elektroner som har förflyttats till ett högre energitillstånd.

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59

Elektronegativitet

En atoms förmåga att attrahera andra atomers elektroner.

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60

Universella massenheten

1u

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61

Alkalimetaller

Grundämnena i grupp 1 (utom väte). Mycket reaktiva. Ingår ofta i jonföreningar.

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62

Alkaliska jordartsmetaller

Grundämnena i grupp 2. Ingår ofta i jonföreningar.

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63

Övergångsmetall

Ämnena i grupp 3-12 i periodiska systemet. De kan ofta bilda stabila joner med olika laddningar.

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64

Halogen

Grundämne i grupp 17. Har 7 valenselektroner och reagerar gärna med metaller från grupp 1 eller 2 för att bilda jonföreningar.

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65

Formelmassa

Massan av en formelenhet av en kemisk förening.

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66

Mol

Mängdord som används för att ange antal atomer eller molekyer.

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67

Substansmängd

Storhet som används för att ange mängden atomer eller molekyler, mäts i enheten mol.

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68

Molmassa

Storhet som anger hur många gram en mol av ett ämne väger

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