Atomic Number, 18 ; Atomic Mass, 39.948 atomic mass units ; Number of Protons, 18 ; Number of Neutrons, 22 ; Number of Electrons, 18.

Argon is the third most abundant gas in Earth's atmosphere, at 0.934% (9340 ppmv). It is more than twice as abundant as water vapor (which averages about 4000 ... Argon fluorohydride · Category:Argon · Argon dating · Argon compounds

3 июл. 2022 г. · The number of protons, neutrons, and electronic configuration of Ar 40 18 is 18, 22, and 2,8,8 respectively.

Atomic number, 18, Relative atomic mass, 39.95 ; State at 20°C, Gas, Key isotopes · Ar ; Electron configuration, [Ne] 3s23p · CAS number, 7440-37-1.

Number of Protons/Electrons: 18 ; Number of Neutrons: 22 ; Classification: Noble Gas ; Crystal Structure: Cubic ; Density @ 293 K: 1.784 g/cm ...

Продолжительность: 3:59
Опубликовано: 9 мар. 2020 г.

The mass number equals the sum of the protons and neutrons. For Argon, the number of protons is 18. This means that the number of neutrons is 40 − 18 = 22 .

Argon has numerous isotopes, of which the most abundant by far is Argon 40; that is 18 protons and 22 neutrons. (18+22=40).

24 янв. 2024 г. · Argon has 18 protons in its nucleus. Option B is the correct answer since it correctly states that there are 18 protons in an Argon atom.