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प्रश्न
_______ is the distance between the nucleus of the atom and its outermost shell.
विकल्प
Atomic radius
Atomic diameter
atomic mass
atomic size
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उत्तर
Atomic radius is the distance between the nucleus of the atom and its outermost shell.
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संबंधित प्रश्न
Why is the size of sodium is greater than magnesium?
Which is greater in size an atom or a cation?
Which is greater in size Fe2+ or Fe3+?
Give reasons for the following:
The size of the anion is greater than the size of the parent atom.
Give reason for the following:
Argon atom is bigger than chlorine atom.
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?
What happens to the atomic size of elements on moving from left to right in a period?
On moving from left to right in a periodic table, the size of the atom _______.
The size of an atom is indicated by its _______.
Atomic radius is expressed in the unit _______.
Write an Explanation.
Atomic radius
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?
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?
Atomic number of a few elements are given below
10, 20, 7, 14
- Identify the elements
- Identify the Group number of these elements in the Periodic Table
- Identify the Periods of these elements in the Periodic Table
- What would be the electronic configuration for each of these elements?
- Determine the valency of these 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.
Which one of the following has the largest atomic radius?
