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प्रश्न
Write the name.
Two elements having two orbits.
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उत्तर
Carbon (C), oxygen (O)
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संबंधित प्रश्न
Arrange the following as per the instructions given in the brackets:
Na, K, Cl, S, Si (increasing order ionization energy)
Arrange the following as per the instructions given in the brackets:
Cl, F, Br, I (increasing order of electron affinity)
In Period 3 of the Periodic Table, element B is placed to the left of element A. On the basis of this information, choose the correct word from the option to complete the following statement:
The element B would have ______ metallic character than A.
Give the trend in metallic character:
down the group top to bottom.
Explain the following:
Group 17 elements are strong non-metals, while group 1 elements are strong metals.
Arrange the elements of group 17 and group 1 according to the given conditions.
Increasing non – metallic character
Write a scientific reason.
Metallic character goes on decreasing while going from left to right in a period.
Mg2+, Cu2+, Na1+, H1+ (In the order of preferential discharge at the cathode)
Explain
Larger the atomic size, more metallic is the element.
Select the correct answer
Which of the following electronic structure is of a metal?
Select the correct answer
Configuration of an element is 2, 8, 1. Which of the following statement is true?
Match the atomic number with the following:
A metal of valency one.
Arrange the following elements in order of their decreasing metallic character.
Na, Si, Cl, Mg, Al
Write the name.
The atom having the smallest atomic radius from zero group.
Right or wrong sentence.
Silicon is a metallic element.
On moving down the group metallic character increases.
Write an explanation.
Electropositivity
An element has atomic number 17. To which group, the period does it belong? It is metal or non-metal?
Arrange:
Be, Li, C, B, N, O, F (in increasing metallic character).
