Advertisements
Advertisements
Question
The metals of Group 2 from top to bottom are Be, Mg, Ca, Sr and Ba. Which one of these elements will form ions most readily and why?
Advertisements
Solution
Ba metal will form ions readily because the ionisation energy decreases down the group as the size increases.
APPEARS IN
RELATED QUESTIONS
Arrange the elements of second and third periods in increasing order of their atomic size (excluding noble gases).
Give reasons for the following:
The size of the anion is greater than the size of the parent atom.
Give reason for the following:
Argon atom is bigger than chlorine atom.
Write the name and symbol of the element from the description.
The atom having the smallest size.
Give scientific reasons for the following:
Atomic radius goes on decreasing while going from left to right in a period.
What happens to the atomic size of elements on moving from left to right in a period?
The changes in the properties of elements on moving from left to right across a period of the Periodic Table. For the property, choose the correct answer.
The atomic size:
Arrange the following elements in increasing order of their atomic radii.
- Li, Be, F, N
- Cl, At, Br I
Arrange the following as per instruction given in the bracket.
Mg, Cl, Na, S, Si (decreasing order of atomic size)
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?
