a neutral atom of chlorine has 17 protons and 18 neutrons. how many electrons does it have?
a neutral atom of chlorine has 17 protons and 18 neutrons. how many electrons does it have?
Answer
Explanation:
Step1: Recall atomic - charge principle
In a neutral atom, the number of protons equals the number of electrons.
Step2: Identify proton number
The chlorine atom has 17 protons.
Answer:
C. 17