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प्रश्न
Choose the correct option
Which of the following is the correct electronic configuration of potassium?
विकल्प
2,8,9
8,2,9
2,8,8,1
1,2,8,8
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उत्तर
2,8,8,1
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संबंधित प्रश्न
Give electron dot diagram of the following:
nitrogen
Give electron dot diagram of the following:
methane
What type of bond is formed between two atoms, when the electronegative difference between them is High ?
Fill in the blanks.
The electrovalent bond or ionic bond is called as _____ bond
Potassium (at No.19) and chlorine (at No.17) react to form a compound. Explain the formation of the compound on the basis of oxidizing agent.
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.
Write down the electronic configuration of
(i) chlorine atom (ii) chlorine ion
Identify the following reaction as either oxidation or reduction:
Zn → Zn2+ + 2e-
Complete the table give below.
| Element |
Atomic number |
Electron distribution | Valence electrons | Lewis dot structure |
| Lithium | 3 | 1s22s1 | ||
| Boron | 5 | 1s22s22p1 | ||
| Oxygen | 8 | 1s22s22p4 |
Match the following:
| 1. | Monoatomic gaseous atom | a. | Electrovalent bond |
| 2. | Octet rule | b. | Benzene |
| 3. | Ionic bond | c. | Water |
| 4. | Non-polar solvent | d. | Electronic theory of valence |
| 5. | Polar solvent | e. | Noble gases |
