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प्रश्न
State if the following element or radical is divalent?
Carbide
उत्तर
Carbide element or radical is not divalent.
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संबंधित प्रश्न
State whether the following statements are true or false:
A sodium ion has positive charge because it has more protons than a neutral atom.
An element X has a valency of 2. Write the simplest formula for bromide of the element.
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.
Give example.
Basic radicals
Write symbols of the following elements and the radicals obtained from them and indicate the charge on the radicals.
Mercury, potassium, nitrogen, copper, sulphur, carbon, chlorine, oxygen
What do you understand by the following terms?
Basic radical
Fill in the blank:
A radical with one atom of sulphur and three atoms of oxygen are __________.
Match the radicals in List I with their correct names from List II.
| List I | List II | |
| 1. `"NO"_3^(1-)` | A: Bisulphite | F: Sulphate |
| 2. `"HSO"_4^(1-)` | B: Phosphate | G: Nitrate |
| 3. `"SO"_4^(2-)` | C: Carbonate | H: Phosphite |
| 4. `"PO"_4^(3-)` | D: Nitrite | I: Sulpite |
| 5. `"HCO"_3^(1-)` | E: Bicarbonate | J: Bisulphate |
State if the following element or radical is divalent?
Permanganate
