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प्रश्न
Name the following:
Metal with valency 2
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उत्तर
Magnesium
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संबंधित प्रश्न
Give electron dot diagram of the following:
Magnesium chloride
Element X is a metal with a valency 2; Y is a non-metal with a valency 3.
(a) Write an equation to show how Y forms as ion
(b) If Y is a diatomic gas, write an equation for the direct combination of X and Y to form a compound.
What is the contribution of the following in atomic structure?
Democritus
Give the orbital diagram of the following:
Nitrogen
Explain the following:
Carbon-12 and carbon-14 both show similar chemical properties.
Explain Octet rule with an example.
The element that would form cation due to the loss of electrons during the chemical reaction is ______.
Match the following:
| 1. | Atomic bond | a. | Oxygen and hydrogen |
| 2. | Atoms with different electronegativities | b. | acceptor bond |
| 3. | An atom that accepts electron pair | c. | covalent bond |
| 4. | Rusting of iron | d. | donor atom |
| 5. | An atom that provides electron pair | e. | oxidation |
| f. | ionic bond |
How many electrons are required or released by each atom in water molecule to attain the nearest noble gas configuration?
Elements A, B and C have atomic number 17, 19 and 10 respectively.
State which one is a metal.
