In the given neutral atom, the outer energy level has 7 particles. These particles refer to valence electrons, which are the electrons in the outermost energy level of an atom.
Therefore, the number of valence electrons shown is:
B. 7
The diagram illustrates a neutral atom.
The neutral atom has 2 energy levels. The outer energy level has 7 particles. The inner energy level has 2 particles. The center contains 9P and 10N.
Question
How many valence electrons are shown?
Answer options with 4 options
A.
2
B.
7
C.
9
D.
10
1 answer