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प्रश्न
The element that would form anion by gaining electrons in a chemical reaction is ______.
विकल्प
potassium
calcium
fluorine
iron
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उत्तर
The element that would form anion by gaining electrons in a chemical reaction is Fluorine
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संबंधित प्रश्न
How many atoms of each kind are present in the following molecule:
Calcium oxide
Name the following:
An element having valency 'zero'
Give a reason
Physical properties of isotopes are different.
Choose the correct option
Which of the following is the correct electronic configuration of potassium?
Draw orbit structure diagram of sodium chloride (NaCl).
\[\ce{^24_12Mg}\] and \[\ce{^26_12Mg}\] are symbols of isotopes of magnesium.
(a) Compare the atoms of these isotopes with respect to :
i. the composition of their nuclei
ii. their electronic configurations
(b) Give reasons why the two isotopes of magnesium have different mass numbers.
Draw the geometric atomic structure of the following atom showing the number of electrons, protons and neutrons in them:
\[\ce{^40_20Ca}\]
Explain Octet rule with an example.
Spot the error/correct the wrong statement:
In the formation of compounds, the inner shell electrons of an atom involved in bonding.
How many atoms of each kind are present in the following molecule:
water
