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The atomic number of potassium is 19. This means that there are 19 protons in every potassium atom, regardless of isotope.

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What is nucleus of potassium?

The nucleus of potassium is the central core of the potassium atom consisting of protons and neutrons. It has 19 protons, making it the atomic number of potassium, and the number of neutrons can vary depending on the isotope of potassium.


What is the atomic and mass number of potassium?

The atomic number is 19 and the mass number of its most abundant isotope K-39 is 39 (19 protons + 20 neutrons) while the mass of that isotope is 38.96371 a.m.u.The relative atomic mass of the element potassium, K, is 39.10 g/mole.


How do you find the number of neutrons in the nucleus of uranium?

Number of neutrons in an atomic nucleus = Atomic mass of an isotope - Number of protons in the nucleus For uranium the number of protons is 92; each isotope has of course a different mass.


What is the number of protons in potassium ion?

There are 19 protons in a potassium atom, ion, and isotope. All isotopes and ions of the same elements will have the same number of protons regardless of the difference in the number of neutrons or electrons.


Adding the number of protons and the number of neutrons found in the nucleus of an atom yields the for isotope?

Adding the number of protons and neutrons in the nucleus of an atom gives the mass number of the isotope.


Which element has19 protons in its nucleus?

Potassium - (K) Potassium's atomic number is 19, which is also the number of protons it has.


Number of subatomic particles in potassium?

Potassium's atomic number is 19, meaning it has 19 protons in its nucleus. In a neutral potassium atom, there are also 19 electrons orbiting the nucleus. The most common isotope of potassium, K-39, has 20 neutrons, giving it a total of 39 subatomic particles.


How is the vocabluary terms isotope and nucleus alike?

The atomic number is the number of protons in an atom's nucleus.


How can scientist determine whether the nucleus formed is that of new element or that of new isotope of known element?

They can tell whether the nucleus formed is that of a new element or that of an isotope by determining the number of protons inside the nucleus. If the number of protons are different, then it is a different element (not necessarily new). If the number of protons are the same, then it is an isotope.


What is the atomic number of an atom that contains 19 protons 19 electrons and 21 neutrons?

The atomic number by definition is the number of protons in the nucleus, therefore 19 in this instance. (The isotope effectively specified by the numbers given in the question is potassium-40, which is least commonly occurring natural isotope of potassium.)


What determines the mass of an isotope?

The number of neutrons in the nucleus, the number of protons is the same for each isotope of a given element.


What is the isotope for mass number 54 and contains 24 protons?

Any isotope with 24 protons is chromium; therefore, the requested isotope is 54Cr.