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The correct order of electronegativity on Pauling scale is:

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Important Questions on Classification of Elements and Periodicity in Properties

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Alpha Question Bank for Engineering: Chemistry>Chapter 13 - Classification of Elements and Periodicity in Properties>Exercise-1>Q 50
Which of the following is most electronegative element?
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Alpha Question Bank for Engineering: Chemistry>Chapter 13 - Classification of Elements and Periodicity in Properties>Exercise-1>Q 53
The most common oxidation state of an element is -2. The number of electrons present in its outer most shell is:
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Alpha Question Bank for Engineering: Chemistry>Chapter 13 - Classification of Elements and Periodicity in Properties>Exercise-1>Q 54
Which of the following explanations justifies not placing hydrogen in either the group of alkali metals or halogens?
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Alpha Question Bank for Engineering: Chemistry>Chapter 13 - Classification of Elements and Periodicity in Properties>Exercise-1>Q 55
Hydrogen accepts an electron to form an inert gas configuration. In this it resembles:
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Alpha Question Bank for Engineering: Chemistry>Chapter 13 - Classification of Elements and Periodicity in Properties>Exercise-1>Q 56

(a) Explain why is sodium less reactive than potassium?

(b) IE1 value of Mg is more than that of Na while it's IE2 value is less. Explain?

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Alpha Question Bank for Engineering: Chemistry>Chapter 13 - Classification of Elements and Periodicity in Properties>Exercise-1>Q 57
The basic strength of the hydrides of group 15 elements:
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Alpha Question Bank for Engineering: Chemistry>Chapter 13 - Classification of Elements and Periodicity in Properties>Exercise-1>Q 58
The transition elements have a general electronic configuration:
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Alpha Question Bank for Engineering: Chemistry>Chapter 13 - Classification of Elements and Periodicity in Properties>Exercise-1>Q 59
First IE of 5d series elements are higher than those of 3d and 4d series elements. This is due to: