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.
RELATED QUESTIONS
Answer the following in respect of element `31/15 P `
Give its formula with chlorine?
Fill in the blank:
On moving across a period from right to left in the periodic table, the atomic size of the atom ___________.
Arrange the following in order of increasing radii:
CI- , CI
Select the correct answer
Atomic radii of fluorine and neon in angstrom unit are
Arrange the following as per the instruction given in the bracket
Na, K, Li (Increasing atomic size)
Nanometer unit is used to measure atomic radius.
Moving from left to right, the size of the atom decreases.
- In below ladder symbols of elements are jumbled up. Rearrange these symbols of elements in the increasing order of their atomic number in the Periodic Table.
- Arrange them in the order of their group also.
Arrange the following in order of increasing radii:
Mg2+, Mg, Mg+
Explain your choice.
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?
