EASY
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IMPORTANT
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IUPAC name of element having atomic number is
(a)Unniloctium
(b)Ununoctium
(c)Nilniloctinium
(d)Ununoctinium

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Important Questions on Classification of Elements and Periodicity in Properties
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Which of the following is not correct for iso-electronic ions?

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Which of the following oxide is expected to react readily with

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Match the following, regarding nature of the oxides
Column-I | Column-II | ||
a. | (i) | Basic | |
b. | (ii) | Amphoteric | |
c. | (iii) | Acidic | |
d. | (iv) | Neutral |

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When a neutral atom is converted into a cation its

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Of the following, which one is a correct statement?

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Which of the following is largest in size?

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The radii of are in the order:

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Which of the following is correct?
