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Argon has 18 protons. Hence it is the 18th element in the modern periodic table. (The elements in the periodic table are arranged in the increasing order of their atomic number and repeating properties)

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10y ago
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1mo ago

Argon is 18th in the Periodic Table because it has 18 electrons. This places it in the 18th column (group 18) of the periodic table, known as the noble gases. Argon has a full outer electron shell, making it stable and unreactive.

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Q: Why is argon 18th in the periodic table?
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Related questions

What period is argon in?

Argon is in the period 3 of the periodic table. It is the third element in the 18th group of the periodic table.


What is argon is the periodic table?

Ar= argon


What does Ar stand for one the periodic table?

Argon is what Ar stands for on the Periodic Table of elements.


What family is the argon found in the periodic table?

Argon belongs to the noble gas family on the periodic table.


What is the 18 element in the periodic table?

Argon is the 18th element in the periodic table. It is a noble gas with the atomic number 18 and symbol Ar.


What group is argon on the periodic table?

Argon is a noble gas located in group 18 (or 8A) of the periodic table.


Is an argon a matter?

Argon is an element of the periodic table.


What is the 18 coulum in the periodic table?

The 18th column in the periodic table is called the noble gases group. These elements are very stable and unreactive due to having a full outer electron shell. They include Helium, Neon, Argon, Krypton, Xenon, and Radon.


What group does argon belong to on the periodic table?

Argon belongs to the noble gas group (Group 18) on the periodic table.


In the periodic table what element is represented by ar?

Ar represents Argon, a noble gas, on the periodic table.


Why is argon on the periodic table?

Argon is on the periodic table because it is a chemical element with the symbol Ar and atomic number 18. It is a noble gas that is colorless, odorless, and inert, making it an important element for various industrial applications, such as welding and lighting.


Is chlorine in the same period as argon and sulfur?

No, chlorine is in the same period as argon but not sulfur. Chlorine and argon are both in period 3 on the periodic table, whereas sulfur is in period 3 of the periodic table.