Nr.

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Example

1

sodium chloride

Natriumchlorid (das)

Table salt mainly consists of sodium chloride.

2

salt

Salz (das)

Salt is an ionic compound.

3

sodium

Natrium (das)

There are sodium atoms which have not reacted.

4

chlorine

Chlor (das)

 

5

heat energy

Wärmeenergie (die) 

 

6

ionic lattice

Ionengitter (das)

The ions form an ionic lattice (ionic bonds).

7

ion

Ion (das)

Sodium chloride is made of ions.

8

ionic compound

Ionenbindung (die)

Sodium chloride is an ionic compound.

9

electron transfer

Elektronenübergang (der)

Electron transfer takes place. Ions have been formed.

10

chlorine molecules

Chlormoeküle (die)

Chlorine molecules are added.

11

chloride ion

Chlorid-Ion (das)

A chloride ion is negatively charged.

12

sodium ion

Natrium-Ion (das)

A sodium ion is positively charged.

13

charge

Ladung (die)

If atoms lose or gain electrons they become ions and carry a charge.

The charge of each sodium ion is +1.

The charge of each chloride ion is -1.

The electric charges balance.

14

lattice

Gitter (das)

Sodium and chloride ions are regularly packed in a lattice.

15

model repesentation

Modelldarstellung (die)       

A model representation visualises some of our ideas about matter.

16

split (to)

spalten, trennen

Chlorine molecules are split.

17

ionic crystal

Ionenkristall (der)

 

18

3D representation

Dreidimensionale Darstellung

 

19

animated cartoon

Trickfilm

An animated cartoon on the synthesis of NaCl.

20

gaseous

gasförmig

Sodium atoms become gaseous.

21

reactants

Ausgangsstoffe (die)

 

22

test tube

Reagenzglas (das)

The test tube from the reaction and the ionic crystal in 3D.

23

particle model

Teilchenmodell (das)

 

24

formation of ions

Ionenbildung

 





25

release of energy

Energiefreisetzung (die)

 

26

 

 

 

27

 

 

 

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