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TOTAL NUMBER OF ELEMENTS ON EARTH
118
MOST ABUNDANT ELEMENT ON EARTH
Al
composition of steel
iron and carbon
most reactive elememt
K
LEAST REACTIVE ELEMENT
Pt
composition of brass
copper and zinc
composition of bronze
copper and tin
in 16 carat gold, parts of cu/ag is
8
metal with low mp and bp is
caesium
non metal which is lustrous
iodine
name the hardest substance
diamond
non metallic oxides are------------------------in nature
acidic
nature of metallic oxides are
basic
base with convert blue litmus paper to
no change
product of reaction of non metal with water is
no reaction
ore of iron is called as
haemetite
