Thereof, how many electrons are in an atom of argon 40?
NameArgonAtomic Mass39.948 atomic mass unitsNumber of Protons18Number of Neutrons22Number of Electrons18
How many protons are in 40 AR?
Argon in the atmosphere has three isotopes, all with 18 protons – but one type (called 36Ar) has 18 neutrons and a relative mass of approximately 36 ; a second type (called 38Ar) has 20 neutrons and a relative mass of approximately 38, and the final and most common type (called 40Ar) one has 22 neutrons and a relative
What is the number of protons in argon?