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प्रश्न
Fill in the following blank with suitable word:
The particle which is formed by the loss of electrons by an atom is called..............
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उत्तर
Particle formed by the loss of electrons by its atom is called cation.
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संबंधित प्रश्न
Name the following radicals :
Cr2072
Write the names of `"NH"_4"OH"` compounds :
Fill in the following blank with suitable word :
The particle which is formed by the gain of electrons by an atom is called ..............
Fill in the following blank with suitable word:
A sulphide ion has negative charge because it contains less ....................... than ...................
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
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Sodium zincate
Name the following radicals and give their valencies:
1. SO4
2. CO3
3. OH4.
4.Cr2O7
Differentiate between the following with suitable examples- A basic radical and an acid radical
Name the following:
The radical containing one nitrogen and four hydrogen atoms.
Match the names of ions and radicals from 1 to 10 with their correct answer from A to Q.
| Column A | Column B |
| 1. Hypochlorite | A: Hg2+ |
| 2. Permanganate | B: \[\ce{MnO_4^1-}\] |
| 3. Plumbous | C: Sn4+ |
| 4. Zincate | D: Pb2+ |
| 5. Nitride | E: Sn2+ |
| 6. Mercuric | F: Pb4+ |
| 7. Stannic | G: \[\ce{SO_3^2-}\] |
| 8. Nitrite | H: N3- |
| 9. Sulphite | I: \[\ce{NO_2^1-}\] |
| 10. Dichromate | J: \[\ce{MnO_4^2-}\] |
| K: Hg1+ | |
| L: \[\ce{SO_4^2-}\] | |
| M: CIO1- | |
| N: \[\ce{ZnO_2^2-}\] | |
| O: \[\ce{Cr_2O_7^2-}\] | |
| P: \[\ce{CrO_4^2-}\] | |
| Q: \[\ce{ClO_3^1-}\] |
