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प्रश्न
Arrange the elements of second period in increasing order of their electron affinity. Name the elements which do not follow the trend in this period.
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उत्तर
Lithium < Boron < Carbon < Oxygen < Fluorine
Neon, Nitrogen and Beryllium do not show negative values and hence do not follow the trend in this period.
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संबंधित प्रश्न
Draw an electron dot diagram to show the formation of the following compound:
Methane
[H = 1, C = 6]
Explain the following:
Halogens have a high electron affinity.
Explain the following:
The reducing power of element increases down in the group while decreases in a period.
Fill in the blank
The nature of oxide Al2O3 is ____
Fill in the blank
Noble gases have ______ electron affinity.
State whether the following statement is true or false
Al2O3 is an amphoteric oxide.
The following questions refer to the Periodic Table.
Which of the elements has the greatest electron affinity among the halogens?
Choose the correct answer:
Among the period 2 elements the one which has high electron affinity is
The changes in the properties of elements on moving from left to right across a period of the Periodic Table. For the property, choose the correct answer.
The electron affinity of elements in groups 1 to 7:
The electron affinity of an element X is greater than that of element Y.
State whether X is likely to be placed to the left or to the right of Y in the periodic table.
