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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
Differentiate between Normal elements and Transition elements.
In the following set of element, one element does not belong to the set. Select this element and state why it does not belong:
Calcium, Magnesium, Sodium, Beryllium
How does the valency of elements vary in going down a group of the periodic table?
Correct the statements.
Elements in the same periods have equal valency.
Name the element which has the electronic configuration 2, 8, 3?
Arrange the following in increasing order of property indicated
SiO2, P2O5, SO3, Cl2O7 (acidic nature)
Moving left to right in the second period, the number of valence electrons _____.
Moving down in the second group, number of valence electrons ______.
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.
Which of the following would weigh the least?
(Atomic masses C = 12, 0 = 16, Na = 23)
