Advertisements
Advertisements
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
Advertisements
उत्तर
2,8,8,1
APPEARS IN
संबंधित प्रश्न
Mention the basic tendency of an atom which makes it to combine with other atoms.
In term of electron transfer, define Oxidation
What type of bond is formed between two atoms, when the electronegative difference between them is zero?
Match the column A with Column B.
|
Column A |
Column B |
|
(i) Sodium chloride (ii) Ammonium ion (iii) Carbon tetrachloride |
Covalent bond Ionic bond Covalent and coordinate bond |
Give a reason
Physical properties of isotopes are different.
Potassium (at No.19) and chlorine (at No.17) react to form a compound. Explain the formation of the compound on the basis of reducing agent.
State the type of bonding in the following molecules.
Water,
Explain the following:
Carbon-12 and carbon-14 both show similar chemical properties.
Complete the following table:
| a. | Dativebond | ______ |
| b. | CaH2 → Ca+H2 | ______ |
| c. | ______ | Reduction |
| d. | ______ | Redox reaction |
How many electrons are required or released by each atom in carbon tetrachloride to attain the nearest noble gas configuration?
