Advertisements
Advertisements
प्रश्न
Fill in the blank by selecting the correct word from the bracket.
If an element has seven electrons in its outermost shell then it is likely to have the _____ atomic size among all the elements in the same period.
विकल्प
largest
smallest
Advertisements
उत्तर
If an element has seven electrons in its outermost shell, then it is likely to have the smallest atomic size among all the elements in the same period.
APPEARS IN
संबंधित प्रश्न
What do you understand by atomic size? State its unit?
Which is greater in size an atom or a cation?
Fill in the blank:
On moving across a period from right to left in the periodic table, the atomic size of the atom ___________.
Give reasons for the following:
The size of the anion is greater than the size of the parent atom.
Give scientific reasons for the following:
Atomic radius goes on decreasing while going from left to right in a period.
Right or wrong sentence.
The size of an atom depends on the number of valence electrons.
Some elements and their atomic radii are given here. Arrange them in decreasing order of their atomic radii. Identify which of the above elements is the biggest atom and which is smallest?
| Element | K | Na | Rb | Cs | Li |
| Atomic radius (pm) | 231 | 186 | 244 | 262 | 151 |
Which one of the following depict the correct representation of atomic radius(r) of an atom?
|
(i) |
(ii) |
|
(iii) |
(iv) |
Arrange the following in order of increasing radii:
Mg2+, Mg, Mg+
Explain your choice.
Give reason for the following:
The size of a Cl− ion is greater than the size of a Cl atom.
