Question

4
Hardness: Meta
hard, Sodium and
with a knife.
Let Us Learn about
Physical properties of metals
Physical properties of non-metals
Chemical properties of metals
Chemical properties of non-metals
Uses of metals and non-metals.
Metals and Non-mens-* acting a
To show that sodium metal is
Take a small
piece each of sodr
a sharp knife or blade. You will
the other metals are hard and can
Previous Connect
Lustre: Metals generally possess
by virtue of which they shine. Thi
metallic lustre.
Malleability: Metals can be hamme-
without breaking. This property of mer
example: gold, silver, copper are mallea.
use extremely thin silver foils to decorate
used to pack foodstuff.
Ductility: The property of a metal to bed
called ductility. Silver, copper and gold are
Sonority: Metals are sonorous. They produce a
struck by something. It is for this reason that ch
made up of metals.
Activity 2
To show that metals are sonorous
Take a few materials like a metal spoon, metal pencil box a po
coin, etc.
s of both
PHYSICAL PROPERTIES OF METALS
Some physical properties of metals are as follows:
Conductivity: Metals are rood conductors of rey This property
metals make them suitable to be used in cooking utensils, heutin
elements, etc Metals are also good conductors of electricity. It is
due to this property of metals thuar electric wires are made up of
metals like copper. Somne mesls allow electricity 10 pues through
them more easily than the others, Cappad silver, aluminium and
sold are metals and can conduct electricia Silver and gold are
sonoros produce sound where strica
example, iron, zinc, copper, tin, etc. Mercury is an
exists in liquid form at room temperature.
Appearance while copper looks reddish in colour
non
-
conductors
of
heat
and
electricity
chemical
properties
.
Most
metals
are
conductors
of
electricity
and
heat
.
While
most
non
-
metals
on
the
basis
of
their
properties
,
it
is
relatively
easier
to
learn
about
We
use
different
types
of
materials
in
our
daily
life
.
If
we
classi
no​

Answer 1

Answer:

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