Chemistry Reference
In-Depth Information
1a) Draw your model of the structure of a nickel oxide crystal and an aluminium crystal
1b) Formulate three reaction equations (words, structures, formulae)
2a) Draw your model of a calcium chloride solution and a sodium sulfate solution
2b) Formulate three reaction equations (words, structures, formulae)
Fig. 7.11 Selected flawed answers from grade 10 high school students (dashed framed answers
are from one single student) [
4
]
