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प्रश्न
How do atoms attain noble gas configuration?
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उत्तर
Atoms lose, gain or share electrons to attain noble gas configuration.
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संबंधित प्रश्न
Mention the basic tendency of an atom which makes it to combine with other atoms.
Elements A, B and C have atomic number 17, 19 and 10 respectively.
State which one is a non-metal.
Five atoms are labelled from A to E.
| Atoms | Mass No. | Atomic No. |
| A | 40 | 20 |
| B | 19 | 9 |
| C | 7 | 3 |
| D | 16 | 8 |
| E | 14 | 7 |
(a) Which one of these atoms:
(i) contains 7 protons,
(ii) has an electronic configuration 2, 7?
(b) Write down the formula of the compound formed between C and D.
(c) predict which are: (i) metals, (ii) non-metals?
Fill in the blanks.
The electrovalent bond or ionic bond is called as _____ bond
How are X-rays produced?
Potassium (at No.19) and chlorine (at No.17) react to form a compound. Explain the formation of the compound on the basis of oxidation.
Explain Octet rule with an example.
The valency of noble gases is ______.
Choose the odd one out and write the reason:
How many electrons are required or released by each atom in water molecule to attain the nearest noble gas configuration?
