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That depends on the isotope, as Argon has three different stable isotopes and many different radioactive isotopes.
Wiki User
∙ 6y ago
Wiki User
∙ 14y agoThe atomic number of Ar is 18.
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What is the noble gas shorthand of arsenic?
The chemical symbol is As. The atomic number is 33.
What is the abbreviated electron configuration for nickel atomic number 28?
[Ar] 3d^8 4s^2
What is the atomic number if the first element to start filling a d sublevel?
The d suborbitals begin at period 4, but the d-sublevel is actually 3d. The first element is scandium, which has the atomic number of 21.
What is the 18 element in the periodic table?
Argon, Ar, has the atomic number of 18 on the Periodic Table of Elements.
Why is atomic number the proper basis for classification of elements?
Because Atomic number is the identity of an element , all the atoms of an element have the same atomic number while their mass numbers ma be different. for Example Argon(Ar) a noble gas and Calcium(Ca) an active metal have the same mass number 40.
What chemical element has the atomic number 18?
Argon (Ar)
What is the electron configuration of atomic number 26?
The electron configuration of iron, atomic number 26, is [Ar]3d64s2. The expanded electron configuration is 1s22s22p63s23p63d64s2.
What is the abbreviated electron configuration for krypton?
The electron configuration for krypton (atomic number 36), as based on argon (atomic number 18), is [Ar] 3d10 4s2 4p6
What are the elements found on table 18 of the periodic table?
Atomic number 18: argon (Ar)
What is the noble gas shorthand of arsenic?
The chemical symbol is As. The atomic number is 33.
What is the electron configuration of a calcium atom whose atomic number is 20?
wwoer
What is the carbon and argon symbol?
Well, in science I am learning atoms. Element: Carbon ....... Symbol: C ...... Atomic Number: 6 ....... Atomic Mass: 12 Element: Argon ......... Symbol: Ar...... Atomic Number: 18 ..... Atomic Mass: 40
What is the Abbreviation for argon?
The abbreviation is more correctly described as the 'CHEMICAL SYMBOL'. It is 'Ar'.
Is argon a chemical?
Argon is a chemical element with symbol Ar. Its atomic number is 18, and it is a noble gas.
What is the abbreviated electron configuration for nickel atomic number 28?
[Ar] 3d^8 4s^2
What is the atomic number if the first element to start filling a d sublevel?
The d suborbitals begin at period 4, but the d-sublevel is actually 3d. The first element is scandium, which has the atomic number of 21.
What is the electron configuration of the element with 27 protons?
The electron configuration of cobalt is [Ar]3d7.4s2.
