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प्रश्न
Elements A, B and C have atomic number 17, 19 and 10 respectively.
State which one is a metal.
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उत्तर
Electronic configuration of element A = (2, 8, 8, 1) at atomic no. 19
∴ Element B having 1 electron in outermost orbit is a Metal.
संबंधित प्रश्न
Complete the following:
| Sodium | Phosphorus | Carbon | |
| Formula of chloride | |||
| Nature of bonding | |||
| Physical state of chloride |
What type of bond is formed between two atoms, when the electronegative difference between them is High ?
A Compound 'X' consists of only molecules. Hence 'X' will have
Name an element which does not contain neutron.
An element M burns in oxygen to form an ionic compound MO. Write the formula of the compounds formed if this element is made to continue with chlorine and sulfur separately.
Give the orbital diagram of the following:
Magnesium chloride
Give the orbital diagram of the following:
Nitrogen
Explain Octet rule with an example.
The valency of noble gases 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 |
