Opdracht 2

Opdracht 2

Naam

Symbool

Atoomge-wicht atoom 1

Atoomge-
wicht atoom 2

Totale atoomgewicht

Water

H2O

1 (H)

16 (O)

(2x1) + 16 = 18

Calcium-
oxide

CaO

40 (Ca)

16 (O)

40 + 16 = 56

Zwavel-
dioxide

SO2

32 (S)

16 (O)

32 + (2x16) = 64

 

Zilver-
jodide

AgI

108 (Ag)

127 (I)

108 + 127 = 235

Methaan

CH4

12 (C)

1 (H)

12 + (4x1) = 16

Natrium-
hydroxide

NaOH

23 (Na)

16 (O)

23 + 16 + 1 = 40

 

 

 

1 (H)