uses of periodic table elements on humans
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Properties and Uses of Metals Elements
Metals and their Symbols Appearance Properties Uses
Copper (Cu) Reddish brown solid
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Good conductor of electricity
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Ductile
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Corrosion resistant
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Strong
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Copper wires
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Pipes Zinc (Zn) Grey solid
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Good conductor of electricity
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Corrosion resistant
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Strong
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Zinc is used inside batteries to produce electricity
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Zinc plating for coins Aluminum (Al) Silvery shiny solid
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Low density
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Corrosion resistant
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Strong and light
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Malleable
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Cooking foils
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Drink cans Mercury (Hg) Silvery liquid
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Does not react easily with other chemicals
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Mercury vapour is fluorescent (gives out light)
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Good conductor of heat
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Expands evenly on heating
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Used in thermometers
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Used to measure blood pressure Magnesium (Mg) Grey solid
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Burns with a dazzling white light
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Forms alkali to neutralize excess acid in stomach
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Used to make milk of magnesia which is used to relieve acid indigestion Iron (Fe) Grey solid
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Good conductor of heat and electricity
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Ductile
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Strong
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Magnetic
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Used to make cutlery.
Properties and Uses of Non-Metals Elements Non-Metals and their symbols Appearance Properties Uses
Iodine (I) Black Crystals
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Poisonous
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Antiseptic
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(prevents wound infection)
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Used as antiseptic in medicine Chlorine (Cl) Greenish yellow gas
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Poisonous
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Bleaches dyes
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Used for bleaches for clothes Sulphur (S) Yellow powdery solid
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Poisonous
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Soluble in organic solvent
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(e.g. alcohol) but not in water
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Used to make rubber tyres harder through a process called “vulcanization” Diamond (Carbon, C) Hardest substance known to man
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Can be polished to form a shiny, reflecting, transparent solid
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Used as diamond drills to cut through very hard metal Graphite (Carbon, C) Black solid
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Smooth
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Lightweight
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Good conductor of electricity
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Used to make rackets Hydrogen (H) Colourless gas
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Gas with the lowest density
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Explosive
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Used to fill weather balloons and blimps Nitrogen (N) Colourless gas
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Non-reactive, does not burn or support combustion
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Low boiling point
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Used to make fertiliser for farm Oxygen (O) Colourless gas
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Essential for life
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Does not burn but support combustion
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Used in the flames for welding Neon (Ne) Colourless and odorless - Exist as a single atom - Noble gas Used in making neon advertising signs Helium (He) Colourless and odorless - Exist as a single atom - Noble gas - airships and balloons can be filled with the gas to gain lift. - Helium is used to condense hydrogen and oxygen to make rocket fuel.
First 20 Elements and their Symbols
Proton No Name Symbol
1 Hydrogen H 2 Helium He 3 Lithium L 4 Beryllium Be 5 Boron B 6 Carbon C 7 Nitrogen N 8 Oxygen O 9 Fluorine F 10 Neon Ne 11 Sodium Na 12 Magnesium Mg 13 Aluminum Al 14 Silicon Si 15 Phosphorus P 16 Sulfur S 17 Chlorine Cl 18 Argon Ar 19 Potassium K 20 Calcium Ca
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