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प्रश्न
Nanometer unit is used to measure atomic radius.
विकल्प
Right
Wrong
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उत्तर
Nanometer unit is used to measure atomic radius- Wrong
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संबंधित प्रश्न
Answer the following in respect of element `31/15 P`
Give its electronic configuration
What do you understand by atomic size? State its unit?
Why is the size of neon greater than fluorine?
Arrange the following in order of increasing radii:
CI- , CI
Write the name and symbol of the element from the description.
The atom having the smallest atomic mass.
Write the name and symbol of the element from the description.
The noble gas with the smallest atomic radius.
Study the radius of the element given below and answer the following questions.
| elements | K | Na | Rb | Cs | Li |
| Atomic radius (pm) | 231 | 186 | 244 | 262 | 151 |
a) Which of the above elements have the smallest atom?
b) In which group of the modern periodic table the above element are belongs?
c) What is the periodic trend observed in the variation of atomic radii down a group?
Among the elements of the second period, Li to Ne, pick out the element with the largest atomic size
What happens to the atomic size of elements on moving from left to right in a period?
The size of an atom depends on the number of valence electrons.
An element X has mass number 40 and contains 21 neutrons in its atom. To which group of the Periodic Table does it belong?
Which of the following is the correct order of atomic size?
Which of the following gives the correct increasing order of the atomic radii of O, F, and N?
Which of the following gives the correct increasing order of the atomic radii of O, F and N?
Elements have been arranged in the following sequence on the basis of their increasing atomic masses.
| F, | Na, | Mg, | Al, | Si, | P, | S, | Cl, | Ar, | K |
- Pick two sets of elements which have similar properties.
- The given sequence represents which law of classification of elements?
The diagram below shows part of the periodic table.
- Which elements would react together to form covalent compounds?
- Between the two elements W and Z, which will have a bigger atomic radius? Why?
Arrange the following in order of increasing radii:
Cl−, Cl
Explain your choice.
Arrange the following in order of increasing radii:
Mg2+, Mg, Mg+
Explain your choice.
Which one has the largest size?
Give reason for the following:
The size of a Cl− ion is greater than the size of a Cl atom.
