The element which forms a basic oxide ha...

The element which forms a basic oxide has the atomic number of:

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LAKHMIR SINGH & MANJIT KAUR-PERIODIC CLASSIFICATION OF ELEMENTS-Exercise

The correct formula of the oxide of Eka-aluminium element predicted by...
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The element which can form an acidic oxide should be the one whose ato...
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The element which forms a basic oxide has the atomic number of:
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Which one of the following does not increase while moving down the gro...
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On moving from left to right in a period in the periodic table, the si...
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Which of the following set of elements is written in order of their in...
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The atomic numbers of the three elements X,Y and Z are 2,6 and 10 resp...
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An atom has the electronic structure of 2,7 (a) What is the atomic n...
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Consider the following elements, ""(20)Ca, ""(8)O, ""(18)Ar, ""(16)S...
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In the each of the following pairs, choose the atom having the bigger ...
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The atomic numbers of three elements A,B and C are given below: Elem...
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An element X belongs to 3rd period and group 2 of the periodic table. ...
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The following diagram shows a part of the periodic table in which the ...
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An element X is in group of the periodic table: (a) What will be the...
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An element Y is in second period and group 16 of the periodic table: ...
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(a) An element X has mass number 40 and contains 21 neutrons in its at...
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An element X combines with oxygen to form an oxide XO. This oxide is e...
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An element A has an atomic number of 6. Another element B has 17 elect...
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The elements A,B,C and D belong to groups 1,2,14 and 17 respectively o...
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An element X from group 2 reacts with element Y from group 16 of the p...
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