Advertisements
Advertisements
Question
An element X has a valency of 2. Write the simplest formula for oxide of the element.
Advertisements
Solution
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
RELATED QUESTIONS
Write the symbols and valencies of the following radicals:
- Magnesium ion
- Ammonium
- Carbonate
- Nitrate
- Oxide
- Bisulphate
- Aluminium ion
Name the following radicals :
SO42
Name the following radicals :
HC03
Fill in the following blank with suitable word:
The particle which is formed by the loss or gain of electrons by an atom is called..............
A particle P has 18 electrons, 20 neutrons and 19 protons. This particle must be :
Give example.
Composite 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.
Chromium sulphate
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Stannic oxide
State if the following element or radical is divalent?
Permanganate
