Advertisements
Advertisements
Question
Which one has the largest size?
Options
Br
I
I−
Cl
Advertisements
Solution
I−
Explanation:
I− is the largest in size. On moving down a group size of atom increases.
∴ I > Br > Cl
I− > I
Hence I− is the largest in size.
APPEARS IN
RELATED QUESTIONS
Arrange the elements of second and third periods in increasing order of their atomic size (excluding noble gases).
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.
What happens to the atomic size of elements on moving from left to right in a period?
The electronic configuration of metal A is 2, 8, 18, 1.
The metal A when exposed to air and moisture forms B a green layered compound. A with con. H2 SO4 forms C and D along with water. D is a gaseous compound. Find A, B, C, and D.
Atomic number of a few elements are given below
10, 20, 7, 14
- Identify the elements
- Identify the Group number of these elements in the Periodic Table
- Identify the Periods of these elements in the Periodic Table
- What would be the electronic configuration for each of these elements?
- Determine the valency of these elements
The diagram below shows part of the periodic table.
- Which elements would react together to form covalent compounds?
- Between the two elements W and Z, which will have a bigger atomic radius? Why?
Arrange the following as per the instruction given in the bracket:
Carbon, Fluorine, Beryllium (decreasing order of atomic size).
Which one of the following has the largest atomic radius?
This question refers to the elements of the Periodic Table with atomic numbers from 3 to 18. Some of the elements are shown by letters, but the letters are not the usual symbols of the elements.
| 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| A | B | C | D | E | F | G | H |
| 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| I | J | K | L | M | N | O | P |
Which of these have least atomic size in period 3?
