Helium has the smallest atomic radius. This is due to trends in the periodic table, and the effective nuclear charge that holds the valence electrons close to the nucleus.
Which of the following ion has smallest radius?
As we move from left to right in a period, the atomic size decreases. The ionic radius of Ni2+ is minimum. Was this answer helpful?
Which of the following has the minimum atomic radius?
Fluorine has a minimum atomic radius. The atomic radius of Fluorine is 42 pm.
Which of the following has the smallest radius rb K+ K Rb+?
The trend of elemental radius increases from top to bottom and from right to left. This means Rb is greater than K. Incorporating the positive charges, K+ is smaller than K and Rb+ is smaller than Rb. Thus, the trend in increasing order is K+,K,Rb+,Rb.
Which of the following four elements has the smallest radius?
In general, atomic radius decreases from left to right across the period but increases down a group. Hence, francium is expected to have the biggest atomic size while fluorine is the smallest.
Which element in Group 2 has the largest radius?
Trends in Atomic Radius of Group 2 Elements
| name | atomic radius (pm) | Trend |
|---|---|---|
| magnesium | 160 | ↓ |
| calcium | 197 | ↓ |
| strontium | 215 | ↓ |
| barium | 217 | largest |
Which ion has the largest radius?
1 Answer. Ernest Z. K+ has the largest radius.
How do you find atomic radius?
The radius of an atom can only be found by measuring the distance between the nuclei of two touching atoms, and then halving that distance. As you can see from the diagrams, the same atom could be found to have a different radius depending on what was around it. The left hand diagram shows bonded atoms.
Which of the following has the largest radius?
Thus O2− has a minimum z-effective thus largest radius.
Which of the following halogens has the largest atomic radius?
(B) Trends in the Atomic Radius of Group 17 (VIIA, Halogens) Elements
| Element | Atomic Number (Z) | Trend |
|---|---|---|
| fluorine | 9 | (smallest) ↓ |
| chlorine | 17 | ↓ |
| bromine | 35 | ↓ |
| iodine | 53 | ↓ (largest) |
Which element has the smallest atomic radius quizlet?
Therefore, rubidium has the largest atomic radius whereas helium has the smallest.
Which of the following has the smallest radius answers com?
Neon has the smallest atomic radius.
Which of the following has the largest radius o2 F Na+ mg2+?
d- F- Ionic radius increases with increase in positive charge on isoelectronic species. Here, Mg+2 will have largest ionic radius.
What is the atomic radius of K?
280 pm
What is the atomic radius of RB?
290 pm
Which element has the largest atomic radius as NP?
Antimony(Sb) has the largest atomic radius because it has more number of shells as compensation to the other elements..