Advertisements
Advertisements
प्रश्न
Draw the geometric atomic structure of the following atom showing the number of electrons, protons and neutrons in them:
\[\ce{^39_19K}\]
Advertisements
उत्तर
Geometric atomic structure of:
\[\ce{^39_19K}\]
Number of protons P = 19 = e
A = P + n
39 = 19 + n
∴ n = 39 − 19 = 20
e = 19 (2, 8, 8, 1)
Electronic configuration
2, 8, 8, 1 electronic arrangement
APPEARS IN
संबंधित प्रश्न
Mention the basic tendency of an atom which makes it to combine with other atoms.
How many atoms of each kind are present in the following molecules: calcium oxide, chlorine, water, carbon tetrachloride?
How many electrons are required by each atom mentioned in (a) to attain the nearest noble gas configuration?
What is an α (alpha) particle?
Give a reason
Physical properties of isotopes are different.
Explain the following:
Carbon-12 and carbon-14 both show similar chemical properties.
Identify the following reaction as either oxidation or reduction:
Zn → Zn2+ + 2e-
Elements with stable electronic configurations have eight electrons in their valence shell. They are ______.
Explain Octet rule with an example.
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 |
Choose the odd one out and write the reason:
