The first ionization energy of magnesium is smaller as compared to that of elements X and Y, but higher than that of Z. The elements X, Y and Z, respectively are:
The first ionization energy of magnesium is smaller as compared to that of elements X and Y, but higher than that of Z. The elements X, Y and Z, respectively are:
Option 1 -
argon, chlorine and sodium
Option 2 -
chlorine, lithium and sodium
Option 3 -
neon, sodium and chlorine
Option 4 -
argon, lithium and sodium
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1 Answer
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Correct Option - 3
Detailed Solution:First ionization enthaly of Mg is smaller than Ar and Cl but higher than Na.
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s – block and p – block elements together are called as representative elements.
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Kindly go through the answer
Element/ion | |
O | -141 |
Na | -53 |
Cl | -349 |
O- | +780 |
You can read the classification of elements and periodicity in properties class 11 notes to study class 11 ch3 and score well in class 11th exams and NEET, and JEE exams.
When the elements having similar properties repeat at regular intervals, it is called periodicity in the properties of elements.
Classification of Elements is Necessary because it helps in understanding and remembering elements' properties better, you can understand how elements react or behave, and can guess properties of unidentified or newly discovered elements.
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