Download Q and A - General

Topic 3 – Q and A - General
1 Name 2 solid elements, 2 liquid
elements and 2 gaseous elements.
Sodium and calcium – solid
Bromine, mercury – only liquids
Oxygen, nitrogen – gases
2 Distinguish between groups and
periods in the Periodic Table.
Groups – vertical columns
Periods – horizontal rows
3 What similarities have elements
which are in the same group of the
PT?
Similar properties – similar chemical
reactions.
4 What group in the PT is called:
a) the halogens b) the Noble Gases
c) the alkali metals?
a) Gp 7
c) Gp 1
5 Where on the PT are the transition
metals? Name 2 of them.
Middle block
Platinum, iron, nickel
6 What are the chemical properties
of the Noble Gases?
Unreactive
7 What small particles make up
every element?
Atoms
8 Describe the atom and how the 3
types of particles in it are
arranged.
Draw a sketch.
Central nucleus (positive)
Surrounded by negative electrons
9 Explain why atoms are neutral.
b) Gp 8 (0)
Equal numbers of protons and electrons.
Positive cancels negative.
Number of protons in atom
10 What is meant by the atomic
number of an atom?
11 Give the electron arrangements of
a) chlorine b) potassium
12 If a set of elements have the same
number of outer electrons what
can you say about:
a) their position in the PT b) their
chemical properties?
13 Explain why atoms of different
elements have different sizes and
masses.
2)8)7
data book
2)8)8)1
a) They are in the same group of the PT
b) Similar chemical properties
They have different amounts of protons,
electrons and neutrons.