Answer
Verified
375.9k+ views
Hint: We can say that the atomic radius could be described as the shortest distance among the nuclei of an atom and its valence shell of the atom. We could say that atomic radius could be measured by x-ray and several other spectroscopy techniques. In a constant pattern, we can say that in the periodic table the atomic radii of the elements could vary.
Complete answer:
We can say that as we move across the period, there would be decrease in atomic radii and when we move from top to bottom in a group, there would increase in atomic radii. The reason is because the outermost electrons are found in the same valence shell in periods. There would be an increase in atomic number inside the same period whereas moving from left to right would increase in the effective nuclear charge. The atomic radii of the elements would decrease when there is an increase in attractive forces.
Among the given options, we can say that the smallest cation is ${H^ + }$ and the smallest anion is ${F^ - }$. The reason why the smallest anion is ${F^ - }$is because on moving across the periods, the size could reduce from left to right whereas we move down the group. As the number of protons increases, the attraction of electrons also gets increased and they are moved closer to the nucleus. This leads to a smaller size of ion/atom.
The reason why hydrogen ions are the smallest cation is because hydrogen contains one electron in the valence shell once it loses electron, it becomes ${F^ - }$.
We can conclude that the smallest cation is ${H^ + }$ and the smallest anion is ${F^ - }$.
Option (2) is correct.
Note:
We can say that atomic radius could be defined by four basic definitions. They are van der Waals radius, metallic radius, covalent radius, and ionic radius. We have to know that atomic radii of isolated neutral atoms could be found in the range of thirty-three hundred pm. We have to remember that factors which affect atomic radii are shielding, nuclear charge, and electron shells.
Complete answer:
We can say that as we move across the period, there would be decrease in atomic radii and when we move from top to bottom in a group, there would increase in atomic radii. The reason is because the outermost electrons are found in the same valence shell in periods. There would be an increase in atomic number inside the same period whereas moving from left to right would increase in the effective nuclear charge. The atomic radii of the elements would decrease when there is an increase in attractive forces.
Among the given options, we can say that the smallest cation is ${H^ + }$ and the smallest anion is ${F^ - }$. The reason why the smallest anion is ${F^ - }$is because on moving across the periods, the size could reduce from left to right whereas we move down the group. As the number of protons increases, the attraction of electrons also gets increased and they are moved closer to the nucleus. This leads to a smaller size of ion/atom.
The reason why hydrogen ions are the smallest cation is because hydrogen contains one electron in the valence shell once it loses electron, it becomes ${F^ - }$.
We can conclude that the smallest cation is ${H^ + }$ and the smallest anion is ${F^ - }$.
Option (2) is correct.
Note:
We can say that atomic radius could be defined by four basic definitions. They are van der Waals radius, metallic radius, covalent radius, and ionic radius. We have to know that atomic radii of isolated neutral atoms could be found in the range of thirty-three hundred pm. We have to remember that factors which affect atomic radii are shielding, nuclear charge, and electron shells.
Recently Updated Pages
How many sigma and pi bonds are present in HCequiv class 11 chemistry CBSE
Mark and label the given geoinformation on the outline class 11 social science CBSE
When people say No pun intended what does that mea class 8 english CBSE
Name the states which share their boundary with Indias class 9 social science CBSE
Give an account of the Northern Plains of India class 9 social science CBSE
Change the following sentences into negative and interrogative class 10 english CBSE
Trending doubts
Fill the blanks with the suitable prepositions 1 The class 9 english CBSE
The Equation xxx + 2 is Satisfied when x is Equal to Class 10 Maths
In Indian rupees 1 trillion is equal to how many c class 8 maths CBSE
Which are the Top 10 Largest Countries of the World?
How do you graph the function fx 4x class 9 maths CBSE
Give 10 examples for herbs , shrubs , climbers , creepers
Difference Between Plant Cell and Animal Cell
Difference between Prokaryotic cell and Eukaryotic class 11 biology CBSE
Why is there a time difference of about 5 hours between class 10 social science CBSE