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प्रश्न
Write the name.
The atom having the smallest atomic radius from zero group.
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उत्तर
Helium (He)
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संबंधित प्रश्न
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.
Metallic character and non-metallic character are periodic properties discuss ?
Give the trend in metallic character:
down the group top to bottom.
Name the periodic property which relates to the character of element which loses one or more electrons when supplied with energy.
Explain the following:
Group 17 elements are strong non-metals, while group 1 elements are strong metals.
Explain the following:
Metallic character of elements decreases from left to right in a period while it increases in moving down a group.
Explain why the following statement is not correct:
All groups contain metals and non metals.
Among the elements of the second period, Li to Ne, pick out the element that is the most reactive metal
Select the correct answer
Configuration of an element is 2, 8, 1. Which of the following statement is true?
Copy and complete the following sentence choosing the correct word or words from those given below, at the end of the sentence:
The element at the bottom of a group would be expected to show ______ metallic character than the element at the top.
Write the name.
Two elements having two orbits.
The metallic character of the element decreases moving across a period from left to the right.
Write an explanation.
Electropositivity
Which of the following set of elements is written in order of their increasing metallic character?
Which of the following metal (s) do not react with water?
Arrange the following as per instruction given in the bracket.
Cs, Na, Li, K, Rb (increasing metallic character)
Arrange:
Be, Li, C, B, N, O, F (in increasing metallic character).
The given table shows elements with the same number of electrons in its valence shell.
| Elements | A | B | C |
| m.p. | 63.0 | 180.0 | 97.0 |
Arrange them in order of increasing metallic character.
