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Protons = 18
neutrons = 22 (for the most stable isotope of argon, Ar-40)

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12y ago

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How many neutrons are in the nucleus of an atom of argon-42?

Neutrons = 24 Protons = 18 Electrons = 18


How many neutrons are present in one atom of argon?

Argon has an atomic number of 18, which means it has 18 protons. The most common isotope of argon is argon-40, which has a mass number of 40. To find the number of neutrons, subtract the number of protons from the mass number: 40 - 18 = 22. Therefore, one atom of argon-40 contains 22 neutrons.


How many protons nuetrons and electrons are in argon?

Argon has 18 electrons and protons...Neutrons is 22


An atom has what number of protons and electrons?

9 protons and 10 neutrons in F-19 isotope.


How many protons neutrons and electrons are present in one atom argon?

There is more than one isotope of argon (as there are of all elements) but the most common isotope is the one that has an atomic weight of 36; it has 18 protons, 18 neutrons, and 18 electrons. The same number for all three types of particles.


How many protons and neutron are in argon-38?

18 protons and 20 neutrons


How many protons neutrons and electrons are in argon 39?

Argon-39 has 18 protons, 21 neutrons, and 18 electrons.


How many protons and neutrons does the nucleus of argon?

An argon nucleus typically contains 18 protons and either 20 or 22 neutrons, depending on the isotope of argon. The most common isotope, argon-40, has 18 protons and 22 neutrons.


How many protons and electrons does argon have?

i will say 18 neutrons and electrons


How many protons in Aragon atom?

There are 18 protons in an Aragon atom.


How many protons and neutrons does a berylium atom have?

4 protons and about 5 neutrons


How many protons nuetrons and electrons does argon have?

In order to answer this question, the specific isotope of argon must be known. However, I will answer it using argon-40 because it makes up over 99% of the atoms of argon. Argon-40 has a mass number of 40, meaning that the sum of protons and neutrons in the nuclei of its atoms is 40. In order to use this information to determine the numbers of protons and neutrons, you also need to know the atomic number, which is the number of protons in the nucleus of its atoms. Argon's atomic number is 18, so we know that all argon atoms have 18 protons. To calculate the number of neutrons, we subtract the atomic number from the mass number, which is (40-18)=22 neutrons. The number of electrons equals the number of protons in a neutral atom, so argon atoms have 18 electrons. So, to sum things up, neutral atoms of argon-40 contain 18 protons, 22 neutrons, and 18 electrons.