Advertisements
Advertisements
प्रश्न
An element which can exhibit valencies of 2, 4 and 6 can be :
विकल्प
copper
iron
mercury
sulphur
Advertisements
उत्तर
Sulphur
Sulphur exhibits the valencies of 2, 4 and 6.
APPEARS IN
संबंधित प्रश्न
Define atomic mass unit. What is its symbol ?
Write the formula of the compound formed – given symbols and combining power or capacity (valency) of the following element in the compound.
Na1+ Cl1-
Give the symbol of the following element:
Potassium
Give the symbol of the following element:
Bromine [bromide]
State the type of element for the following:
Aluminium
Give three reasons why – carbon dioxide is considered a compound, while carbon – an element.
Write the chemical formula of the following:
calcium sulphide
Give the formula of the following acid:
Carbonic
State the valency of the following metallic element and write symbol with the valency
Chromium
Write the constituent elements and their symbols for the following compounds.
- Carbon monoxide
- Washing soda
