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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
In term of electron transfer, define Oxidation
Element X is a metal with a valency 2. Element Y is a non metal with a valency 3.
(a) Write equations to show how X and Y form ions.
(b) If Y is a diatomic gas, write the equation for the direct combination of X and Y to form a compound.
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 |
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How many electrons are required by each atom mentioned in (a) to attain the nearest noble gas configuration?
Draw the geometric atomic structure of the following atom showing the number of electrons, protons and neutrons in them:
\[\ce{^12_6C}\]
Draw the geometric atomic structure of the following atom showing the number of electrons, protons and neutrons in them:
\[\ce{^40_20Ca}\]
Draw the electron distribution diagram for the formation of Carbon di oxide (CO2 ) molecule.
The valency of noble gases is ______.
How many atoms of each kind are present in the following molecule:
Chlorine
