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The atomic number of potassium (K) is 19.

The atomic weight of K is 30.0983 grams per mole.

See the Web Links to the left of this answer for a Periodic Table with more information about this element!

I believe the atomic weight is 39.0983.
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Related Questions

What is the atomic number of potassium and sodium?

Potassium is a non metal element. Atomic number of it is 39.


What is an atom of potassium's atomic number and mass number?

The atomic number of potassium is 19.The atomic weight of potassium is 39,0983(1).The mass number of the isotope potassium-39 is 39.


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The atomic weight of K (Potassium) is 39.0983 g/mol


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Only elements have a particular (unique) atomic number. Potassium (K) has 19 and chlorine (Cl) has 17 as atomic number (= proton number)


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Potassium chloride (KCl) does not have an atomic number since it is a compound made up of two elements: potassium (atomic number 19) and chlorine (atomic number 17). The atomic number is the number of protons in an atom's nucleus, and since compounds are formed by bonding atoms together, they do not have an atomic number.


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Potassium is highly reactive element. Mass number of K is 39.


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Which of these elements has a smaller atomic number Nitrogen Aluminum Potassium?

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