Advertisements
Advertisements
प्रश्न
An element X has a valency of 2. Write the simplest formula for oxide of the element.
Advertisements
उत्तर
Valency of X = 2
Valency of Oxygen = 2
Formula for oxide of element X can be worked out by crossing the valencies of the constituent elements.
Therefore, formula for oxide of X is XO.
APPEARS IN
संबंधित प्रश्न
Name the following radicals :
HC03
State whether the following statements are true or false :
A chloride ion has negative charge because it has more electrons than a neutral atom.
Give example.
Positive radicals
Give example.
Basic radicals
Give example.
Trivalent basic radicals
What do you understand by the following terms?
Basic radical
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Ferrous sulphide
Select the correct answer to the statement given below:
An elementary particle of matter – of a group of atoms of different elements behaving as a single unit with charge on the group.
State if the following element or radical is divalent?
Chromium
State if the following element or radical is divalent?
Dichromate
