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प्रश्न
State the type of element for the following:
Bromine
पर्याय
Metal
Non-metal
Metalloid
Noble gas
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उत्तर
Non-metal
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संबंधित प्रश्न
Select elements and compounds from the following list: Iron, plaster of paris, chalk, common salt, copper, aluminium, calcium oxide, cane sugar, carbon, silica, sodium sulphate, uranium, potassium carbonate, silver, carbon dioxide.
Write true or false
Milk is an emulsion.
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Copper by ‘Cu’
State which element exists in the highest percentage in earth’s crust.
Name the following:
An acid whose formula is ‘H2CO3’.
State a reason why the symbol of calcium is ‘Ca’ and of copper is ‘Cu’
Give a reason – Magnesium [2, 8, 2] has valency 2+.
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State the variable valency of the following metal.
Lead
write symbol with the variable valency
In the same way in chemistry, each element is denoted by a ______.
