Question

The IE1, IE2, IE3, IE4, and IE5, of an element are 7.1,
14.3, 32.5, 46.8 and 162.2 eV respectively. The
stable oxidation state of the element is​

Answer 1

Answer:

Si

Explanation:

IP  

1

​  

,IP  

2

​  

,IP  

3

​  

,IP  

4

​  

 and IP  

5

​  

 of an element are 7.1,14.3,34.5,46.8.162.2eV respectively. The element is likely to be Si. The jump in IP values exist in IP  

5

​  

 and thus, removal of fifth electron occurs from inner shell. Thus, the element contains four electrons in its valence shell.  

The electronic configuration of silicon is {Ne}3s  

2

,3p  

2

. These 4 electrons need les