The total number of elements is
Sodium and chlorine react together to form
Element which is non metal and is found on right side of periodic table is
The first most abundant element found in universe is
The number of natural elements is
Stars are made up of two most abundant elements in universe namely
In a periodic table, the row of elements is called
If 1g of hydrogen is mixed with 8g of oxygen, the produced water will be
'Ag' is the symbol of element
Solid 'carbon dioxide' crystals make
Gold, silver, copper and aluminum are
A chemical reaction can be explained and presented in the form of
Metals are good conductors of heat and electricity. They have high
Helium is considered to be the abundantly found gas, ranking in number
The name of element may differ in languages but it has same
''Water' is a
Chemical name for iron is
Sodium is found in periodic table on
Elements may be classified as
A ductile element which is a good conductor of electricity is called
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