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प्रश्न
Select the correct answer from the options given below.
Is the group number of the element whose atomic number is 4.
विकल्प
group – 1
group – 2
group – 18
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उत्तर
group – 2
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संबंधित प्रश्न
Based on the group valency of elements state the formula lot the following giving justification for each :-
(i) Oxides of 1st group elements,
(ii) Halides of the elements of group 13, and
(iii) Compounds formed when an element of group 2 combines with, an element of group 16.
Write any one difference in the electronic configurations of group-1 and group-2 elements ?
Fill in the blank in the following statement:
On going down in a group in the periodic table, the metallic character of elements ...............
State the trends in physical properties on moving down the group. Give an example to illustrate.
An element X belong to 3rd periods and group II of the periodic table state:
name of the element,
What is meant by a group in the periodic table?
The elements of one short period of the periodic table are given below in order from left to right:
| Li | Be | B | C | O | F | Ne |
Place the three elements fluorine, beryllium and nitrogen in the order of increasing electronegativity.
The elements of one short period of the periodic table are given below in order from left to right:
| Li | Be | B | C | O | F | Ne |
Which one of the above elements belongs to the halogen series?
With reference to the variation of properties in the Periodic table, which of the following is generally true?
Name or state following with reference to the element of the first three periods of the periodic table.
The non-metallic element present in period 3 other than sulphur and chlorine.
