Advertisements
Advertisements
प्रश्न
The formula of the sulphate of an element M is M2(SO4)3
Write the formula of it
Oxide
Advertisements
उत्तर
The valency of metal M is 3. So, the formulae are as follows:
Oxide - M2O3
APPEARS IN
संबंधित प्रश्न
Give the symbols and valencies of following radicals:
(a) Hydroxide (b) Chloride
(c) Carbonate (d) ammonium
(e) Nitrate
Out of ozone, phosphorus, sulphur and krypton, the elements having the lowest and highest atomicities are respectively :
What do the following symbol stand for?
H
Give the symbol and the number of atoms of the following elements present in water.
State the type of element for the following:
Neon
Write the radical of the following valency:
Hydroxide
State whether the following ion or radical given below of a non-metallic element exhibits valency: 1–, 2– or 3–. (write the ion or radical with the correct valency).
Nitride
Describe the different ways in which we can write the symbols of elements. Give appropriate examples.
The pictorial symbol for water given by the alchemists was
What is the expansion of IUPAC.
