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प्रश्न
Write the name.
The atom having the smallest atomic radius from zero group.
उत्तर
The atom having the smallest atomic radius from zero group- 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)
Is is metal or non-metal?
Name the periodic property which relates to the character of element which loses one or more electrons when supplied with energy.
An element barium has atomic number 56. Look up its position in the periodic table and answer the following question.
Is it a metal or a non-metal?
Explain why the following statement is not correct:
All groups contain metals and non metals.
Choose the correct answer.
An alkaline earth metal
(i) Lead
(ii) potassium
(iii) calcium
(iv) Copper
iii) Observe the figure and answer the following questions.
a) Identify the block shown by box A and write an electronic configuration of any one element of this block.
b) Identify the block of element denoted by letter B and write its period number.
Among the elements of the second period, Li to Ne, pick out the element that is the most reactive metal
In the third period, which is the most metallic and most non-metallic element?
If an element is in group 7 is it likely to be metallic or non metallic in character?
The tendency of an element to form cation is the _______ character of that element.
Write an Explanation.
Electropositivity
Write an Explanation.
Electronegativity
3, 1, 2 electrons are in valence shells of X, Y, Z elements. From this information, state the group in which they belong and write their valencies.
The lightest liquid metal is ______
Which of the following metal (s) do not react with water?
Metals are good ______ because they are electron ______.
