Answer:
In Beryllium there are two energy levels
Explanation:
Answer:
The kilogram is the standard unit of mass.
Is this a answer multiple choice or u just answer it
To answer this problem, we need to count the electrons in the given configuration. The complete configuration is 1s2 2s2 2p6 3s2 3p6. There are 2+2+6+2+6 equal to 18 electrons. We find next the element with an atomic number of 18. That element is noble gas argon.
Force acting on the body when the body is at rest the net formals is given
