Arrange the above elements in a decreasi...

Arrange the above elements in a decreasing order of their atomic radii.

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`Li gt Be gt B gt C gt N gt O`

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Three elements 'X', 'Y' and 'Z' have atomic numbers 7, 8 and 9 respectively. (a) State their positions (Group number and period number both) in the Modern Periodic Table. (b) Arrange these elements in the decreasing order of their atomic radii. (c) Write the formula of the compound formed when 'X' combines with 'Z'.

The atomic radii of the elements of second period are given below: (a) Arrange these elements in the decreasing order of their atomic radii (Keeping the element with the largest atomic radius first). (b) Are the elements now arranged in the pattern of a period in the periodic table? (c) Which elements have the largest and the smallest atoms? (d) From this data, infer how the atomic size (or atomic radius) of the elements changes as you go from left to right in a period?

Arrange the given elements in increasing order of their atomic radii? Li, Be, F and N

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Arrange the following elements in increasing order of their atomic radii. Li, Be, F, N

The atomic radii of group 1 elemetns of the periodic table are as follows: Na (186 "pm"), Li (152 "pm"), R(244"pm"),Cs(262"pm") and K(231"pm") . (a) Arrange these element in the increasing order of their atomic radii in a vertical column (keeping the element with the smallest atomic radius at the top). (b) Which elements have the smallest and largest atoms? (c) From this data, infer how the size (or atomic radius) of elements vary as we go doen in the group

TARGET PUBLICATION-PERIODIC CLASSIFICATION OF ELEMENTS -Apply your knowledge

The table on Textbook page no. 25 is made on the basis of the modern p...
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What is the periodic trend in the variation of valency while going fro...
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What is the periodic trend in the variation of valency while going dow...
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By referring to the modern periodic table, find out the periods to whi...
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State the period to which the above elements belong.
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Arrange the above elements in a decreasing order of their atomic radii...
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Does this arrangement match with the pattern of the second period of t...
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Why this arrangement of elements is similar to the above period of the...
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Which of the above elements have the biggest and the smallest atom ?
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By referring to the modern periodic table, find out the group to which...
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Arrange the above elements vertically downwards in an increasing order...
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Does this arrangement match with the pattern of the group 1 of the mod...
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Which of the above elements have the biggest and the smallest atom ?
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What is the periodic trend observed in the variation of atomic radii d...
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Look at the elements of third period. Classify them into metals and no...
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On which side of the period are the metals ? Left or right?
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On which side of the period did you find the nonmetals?
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Inert gas elements
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Uses of various elements
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Find out the applications of all the inert gases, preparea a chart and...
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