Advertisements
Advertisements
प्रश्न
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Copper
write symbol with the variable valency
उत्तर
Copper: exhibits valency 1 and 2
| \[\ce{Cu^1+}\] | \[\ce{Cu^2+}\] |
| Cuprous | Cupric |
APPEARS IN
संबंधित प्रश्न
If the symbol for Cobalt, Co, were written as CO, what would be wrong with it?
The formula of the sulphate of an element M is M2(SO4)3
Write the formula of it
Chloride
An atom of an element is denoted by a “symbol” Explain the meaning of the term ‘symbol’. State a reason for representing the following element by its symbol.
Copper by ‘Cu’
Give the symbol and the number of atoms of the following elements present in sodium chloride.
Give the symbol and the number of atoms of the following elements present in water.
Write the formula of the compound formed – given symbols and combining power or capacity (valency) of the following element in the compound.
K1+ Cl1-
In the chemical word equation – Zinc + Sulphuric acid → Zinc sulphate + Hydrogen
The molecular equation is :
Zn + H2SO4 → ZnSO4 + H2[g].
State what [g] represents.
State which element exists in the highest percentage in earth’s crust.
State the type of element for the following:
Radon
Write the radical of the following valency:
Phosphate
