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8/10/2019 List of 20 Elements and Uses
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Properties and Uses of Metals Elements
Metals and
their Symbols
Appearance Properties Uses
Copper
(Cu)
Reddish brown
solid
- Good conductor of
electricity- Ductile
- Corrosion resistant
- Strong
- Copper wires
-Pipes
Zinc
(Zn)
Grey solid - Good conductor of
electricity
- Corrosion resistant
- Strong
- Zinc is used inside
batteries to produce
electricity
- Zinc plating for coins
Aluminum(Al)
Silvery shinysolid
- Low density
-Corrosion resistant
- Strong and light
- Malleable
- Cooking foils
-Drink cans
Mercury
(Hg)
Silvery liquid - Does not react easily with
other chemicals
- Mercury vapour is
fluorescent (gives out light)
- Good conductor of heat
- Expands evenly on heating
- Used in thermometers
- Used to measure bloodpressure
Magnesium
(Mg)
Grey solid - Burns with a dazzling white
light
- Forms alkali to neutralize
excess acid in stomach
- Used to make milk of
magnesia which is
used to relieve acid
indigestion
Iron
(Fe)
Grey solid - Good conductor of heat and
electricity
- Ductile
- Strong
- Magnetic
- Used to make cutlery.
8/10/2019 List of 20 Elements and Uses
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Properties and Uses of Non-Metals Elements
Non-Metals
and their
symbols
Appearance Properties Uses
Iodine(I)
Black Crystals-
Poisonous- Antiseptic
- (prevents wound
infection)
-Used as antisepticin medicine
Chlorine
(Cl)
Greenish yellow
gas
- Poisonous
- Bleaches dyes
- Used for bleaches
for clothes
Sulphur
(S)
Yellow powdery
solid
- Poisonous
- Soluble in organic
solvent
- (e.g. alcohol) but not
in water
- Used to make
rubber tyres harder
through a process
called
vulcanization
Diamond
(Carbon, C)
Hardest substance
known to man
- Can be polished to
form a shiny,
reflecting, transparent
solid
- Used as diamond
drills to cut through
very hard metal
Graphite
(Carbon, C)
Black solid - Smooth
- Lightweight
- Good conductor of
electricity
- Used to make
rackets
Hydrogen
(H)
Colourless gas - Gas with the lowest
density
- Explosive
- Used to fill weather
balloons and
blimps
Nitrogen (N) Colourless gas - Non-reactive, doesnot burn or support
combustion
- Low boiling point
- Used to makefertiliser for farm
Oxygen
(O)
Colourless gas - Essential for life
- Does not burn but
support combustion
- Used in the flames
for welding
Neon(Ne)
Colourless andodorless
- Exist as a single atom- Noble gas
Used in making neonadvertising signs
Helium(He)
Colourless andodorless
- Exist as a single atom- Noble gas
- airships and balloonscan be filled with the
gas to gain lift.
- Helium is used to
condense hydrogen
and oxygen to make
rocket fuel.
8/10/2019 List of 20 Elements and Uses
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