Answer Guide S4_6A Metals & Properties – National 5 Chemistry Homework Answers

MCQ	Answer	Area of Chemistry
1.	A	[Acids/ Metals]
2.	D	[Metallic Bonding]
3.	D	[Periodic Table]
4.	A	[Properties of Elements/ Periodic Table]
5.	C	[Naming hydrocarbons]
6.	A	[molar calculations]
7.	A	[Acids/ Bases]
8.	D	[Solutions]

9.
a)

	[Reactions of Metals]
b)

	Al³⁺(NO₃^–)₃

	Li⁺OH^–

	Ca²⁺O^2-

	(K⁺)₂SO₄^2-

	Cs⁺OH^–

	Pb²⁺O^2-

	Sr²⁺(Cl^–)₂

	Be²⁺O^2-

	Rb⁺OH^–
	[Balanced Chemical Equations]

	[Ionic Formula]
10.


	[Properties of metals]

	[Atomic Structure]

	[Chemical equations]

	[Rates of Reactions]

	[Acids & bases]
11.	D
	[State symbols]
12.	D
	[Atomic Structure]
13.

	[Chemical Reactions]







	[Reaction of Acids]

	[Calculations from Equations]