Answer Guide Online MCQ S3_5E – National 5 Chemistry Homework Answers

2.

3.
a)	Saturated solution
b)	i) Temperature (of the water)
	ii) 52 g/ 100cm3 [accept 51-53]
	iii) [as the temperature increases] the solubility increases
4.
a)	The strong bonds between atoms that are joined by covalent bonds are the result of electrostatic attraction between the positive nuclei of the atoms and the pairs of negative electrons that are shared between them.
b)

	i)
	ii) (Trigonal ) Pyramidal
5.
a)	F₂
b)	Mg
c)	N₂
d)	P/ P₄