An element 'X', having atomic number 19, is represented by electronic configuration
K L M
2 8 8
Which of the following statements for this configuration is true?
1
It is the configuration of anion of element 'X'.
2
It is the configuration of cation of element 'X'.
3
It implies that element 'X' is a noble gas.
4
It implies that element 'X' is a non-metal.