Advertisements
Advertisements
प्रश्न
Write the names of ZnS compounds :
Advertisements
उत्तर
ZnS - Zinc sulphide
APPEARS IN
संबंधित प्रश्न
How many atoms are present in a PO43− ion?
What are polyatomic ions? Give examples.
Tick (√) the correct answer.
The sulphate radical is written as S042-. What is the formula of calcium sulphate ?
Name the particle which has 18 electrons, 18 neutrons and 17 protons in it.
A particle X has 17 protons, 18 neutrons and 18 electrons. This particle is most likely to be :
What is an ion ? How is an ion formed ? Explain with the help of two examples of different ions.
The valencies (or charges) of some of the ions are given below :
| Ion | Valency (Charge) | Ion | Valency (Charge) |
| Sodium ion | 1+ | Bromide ion | 1– |
| Ammonium ion | 1+ | Hydroxide ion | 1– |
| Calcium ion | 2+ | Sulphate ion | 2– |
| Lead ion | 2+ | Phosphate ion | 3– |
Using this information, write down the formulae of the following compounds :
(i) Sodium phosphate
(ii) Ammonium sulphate
(iii) Calcium hydroxide
(iv) Lead bromide
Give example.
Basic radicals
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?
Carbide
