Answer:
с
Explanation:
the first quantum number of an electron gives the information about the energy level the electron is in
The element which can not loose electron easily and having electronagtive character is called non-metal it has following property-
1. it can not conduct heat and electricity
2. it is netiher ductile not malleable
3. it is not lsuturous and also not sonorous
It's a question that scientists can test.
