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प्रश्न
Which is greater in size an atom or a cation?
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उत्तर
An atom is always greater than a cation since the loss of electrons forms a cation; hence, protons are more than electrons in a cation. The nucleus strongly attracts electrons and pulls them inward.
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संबंधित प्रश्न
Which is greater in size an atom or an anion?
Write the name and symbol of the element from the description.
The noble gas with the smallest atomic radius.
Give scientific reasons for the following:
Atomic radius goes on decreasing while going from left to right in a period.
Write a scientific reason.
Atomic radius goes on increasing down a group.
Atomic radius is expressed in the unit ______.
Write information about the given atomic numbers in the table.
| Atomic Number | Electronic configuration | Group | Period | Element |
| 10 | ||||
| 20 | ||||
| 7 |
Which of the following is the correct order of 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?
Write the formula of the product formed when the element A (atomic number 19) combines with the element B (atomic number 17). Draw its electronic dot structure. What is the nature of the bond formed?
