Question

The smallest among the following ions is

Solution

Correct option is

Al3+

The size of an species decreases with increasing nuclear charge because the attraction for the electrons increases. Thus, Al3+ is smaller in size. 

SIMILAR QUESTIONS

Q1

The elements having the electronic configuration

[kr] 4d10f14, 5s2p6d2, 6s2 belongs to which block

Q2

Which pair of atomic numbers represents s-block elements?

Q3

Mendeleef’s Periodic Table is upset by the fact that

Q4

If Aufbau rule is not followed, K-19 will be placed in

Q5

Which of the following has largest size?

Q6

Which of the following has largest ionic radius?

Q7

Which of the following ion is the smallest ion?

Q8

Which of the following is the smallest in size?

Q9

In the isoelectronic species the ionic radii (Å) of N3–, O2– and F are respectively given by   

Q10

The trivalent ion having largest size in lanthanide series is