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प्रश्न
Select the correct answer from the options given below.
It is a period having elements from atomic no. 11 to 18.
विकल्प
period – 1
period – 2
period – 3
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उत्तर
period – 3
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संबंधित प्रश्न
Classify the following elements into metals, non-metals and metalliods
As, C, Hg, Mg, S, Si
How does the size of atoms (atomic size) generally vary in going from left to right in a period of the periodic table? Why does it vary this way?
What happens to the metallic character of the elements as we move from left to right in a period of the periodic table?
Which of the following set of elements is written correctly in the order of their increasing metallic character?
(a) Mg, Al, Si
(b) C, O, N
(c) Na, Li, K
(d) Be, Mg, Ca
How could the atomic radius of a noble gas be compared with the other elements in a period?
Arrange the following as per the instruction given in the bracket
He,Ar,Ne (Increasing order of the number of electron shells)
(a) Fill in the blanks and rewrite the completed statements:
(i) ________ group in the periodic table contains elements that are all gases at room temperature.
(ii) Very fine particles mainly scatter ______ light.
Based on the group valency of element write the molecular formula of the following compound giving justification:
Oxide of first group elements.
Name the period which is the shortest period of the periodic table.
Name or state following with reference to the element of the first three periods of the periodic table.
A non-metal in period 2 having electronic configuration 2, 6.
