Advertisements
Advertisements
प्रश्न
State if the following element or radical is divalent?
Sulphite
Advertisements
उत्तर
Sulphite element or radical is divalent.
APPEARS IN
संबंधित प्रश्न
Write the symbols and valencies of the following radicals:
- Magnesium ion
- Ammonium
- Carbonate
- Nitrate
- Oxide
- Bisulphate
- Aluminium ion
State whether the following statements are true or false:
A sodium ion has positive charge because it has more protons than a neutral atom.
The valencies (or charges) of some of the ions are given below :
Ion Valency Ion Valency (Charge) (Charge)
Sodium ion 1+ Nitrate ion 1–
Copper ion 2+ Sulphide ion 2–
Using this information, write down the formulae of :
- Sodium sulphide
- Copper nitrate
Give example.
Composite radicals
What do you understand by the following terms?
Acid radical
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Sodium thiosulphate
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
Atoms that carry positive or negative charges are called ______.
