Download 1. You should bring a calculator with you. Correct the numerical

ECF Saint Too Canaan College
201617 Second Term Revision Test
S.3 Chemistry
Revision Guidelines
Date of revision test: 7/4/2017
Time: 9:30 – 10:00 a.m. (30 minutes)
Format of paper:
Section
Content
Marks
A
Multiple-choice questions
15 (1 mark for each question)
B
Structured questions
35 + 3 bonus marks
Total marks = 50
Scope of revision:
Topic
Main points
Remarks
Chapter 5

Classification of elements based on physical states
Atomic

Classification of elements into metals, non-metals and
elements to be covered in RT, refer
semi-metals
to the notes distributed in class.
structure


For the names and symbols of

Chemical symbols for elements

Structure of atoms; number of protons, neutrons and
first 20 elements in the Periodic
electrons in an atom
Table. You should also be able to

Atomic number and mass number
classify these elements according to

Isotopes: definition, comparison of the physical and
the physical states, i.e. solid, liquid
chemical properties of different isotopes
or gas, and whether they are metals,

Calculation on the relative atomic mass
non-metals or semi-metals.

Electronic arrangement by

Recite the names of symbols of the
Study the names and symbols of the

numbering, e.g. Na: 2, 8, 1; Cl: 2, 8, 7; K: 2, 8, 8, 1
following common elements as well:

electron diagram, e.g. Mg:
iron (Fe), copper (Cu), zinc (Zn),
silver (Ag), gold (Au), mercury (Hg),
xx
xx
x
x
x
Mg
bromine (Br) and iodine (I)
x
x
x
xx

Stability of noble gases related to their electronic
arrangement
Remarks:
1. You should bring a calculator with you. Correct the numerical answers to 3 significant
figures if necessary.
2.
All answers (except drawing) should be written by blue/ black pen.
3.
All drawing should be done by pencil.
4.
No mark will be given for key terms with wrong spelling.
5.
Periodic Table will NOT be provided in the paper.