Which of the following has lowest radius?
Hence, Cl has the smallest radius.
Which of the following ions show lowest atomic radius?
As we move along a period radius decreases and as we move down the group, radius increases so F have smallest radius.
Which of the following has least atomic size?
So, all these elements belong to the 4th group and Kr has the smallest atomic radii as it lies across the period.
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 of the following has the largest radius?
Thus O2− has a minimum z-effective thus largest radius.
Which one has the smallest atomic radius?
Explanation: 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. Atomic radius decreases as you move across a period from left to right and decreases as you move up a group from bottom to top.
How do you find atomic radius?
Atomic radius is determined as the distance between the nuclei of two identical atoms bonded together. The atomic radius of atoms generally decreases from left to right across a period. The atomic radius of atoms generally increases from top to bottom within a group.
Which ion has the largest atomic radius?
1 Answer. Ernest Z. K+ has the largest radius.
Which element has smallest size B n Al p?
Answer. Helium is the atom having the smallest size.
What is the chemical symbol for helium?
He
Which element has the smallest atomic radius Calciumpotassiumscandiumtitanium?
The given elements potassium, calcium, scandium, and titanium all belongs to third period. Therefore, out of these elements potassium is at the extreme left and titanium is towards the right. Thus, we can conclude that titanium is the element which has the smallest atomic 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 number?
Oganesson has the highest atomic number and highest atomic mass of all known elements. The radioactive oganesson atom is very unstable, and since 2005, only five (possibly six) atoms of the isotope oganesson-294 have been detected.