# How many protons neutrons and electrons are there in argon?

## How many protons neutrons and electrons are there in argon?

How many protons, neutrons and electrons are present in each? Mass numbers are 36, 38 and 40 respectively. From the Periodic Table, we know that the atomic number of argon is 18. This means that each isotope has 18 protons and 18 electrons.

## How many number of neutrons are present in argon?

22 neutrons
Why Argon has 22 neutrons?

## What is the number of protons in Argon 40?

18 protons
The three stable isotopes of Argon, Argon-36, Argon-38, and Argon-40, would all have 18 protons and 18 electrons if they are all neutral. The three isotopes will have different numbers of neutrons compared to each other (18, 20, and 22 neutrons respectively).

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## Does argon have 22 neutrons?

Since, a neutral atom of argon also has 22 Neutrons.

## What has 12 protons and 12 neutrons?

Magnesium
So you might account for this isotope problem by saying that about 79% of all Magnesium atoms have 12 neutrons, 12 protons, and 12 electrons.

## What has 18 protons and 22 neutrons?

Argon
Argon has the chemical formula Ar. Argon has 18 protons and 22 neutrons in its nucleus giving it an Atomic Number of 18 and an atomic mass of 40.

## How would you know the number of protons?

The number of protons, neutrons, and electrons in an atom can be determined from a set of simple rules. The number of protons in the nucleus of the atom is equal to the atomic number (Z). The number of electrons in a neutral atom is equal to the number of protons.

## How many protons neutrons and electrons does Argon 40 have?

For Argon, the number of protons is 18. This means that the number of neutrons is 40−18=22 40 − 18 = 22 . As such, the numbers of protons, neutrons, and electrons are 18, 22, and 18, respectively.

## How many protons does Argon 38 have?

Properties of Argon-38 Isotope:
Properties of Argon-38 Isotope: ARGON-38
Atomic Number (Z) 18
Mass Number (A) 38
Nucleon Number (A) 38
Proton Number (Z) 18

## What isotope has 18 protons and 20 neutrons?

Explanation: You gots Z=18 , the atomic number, where Z is the number of nuclear protons. The number of protons defines the element….and thus we got calcium…. ….and with 20 neutrons we got the 38Ca isotope….the which is rather short-lived….

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## What has 4 protons and 3 neutrons?

A lithium atom contains 3 protons in its nucleus irrespective of the number of neutrons or electrons. Notice that because the lithium atom always has 3 protons, the atomic number for lithium is always 3. The mass number, however, is 6 in the isotope with 3 neutrons, and 7 in the isotope with 4 neutrons.

## What has 18 protons 22 neutrons and 17 electrons?

Argon has 18 protons and 22 neutrons in its nucleus giving it an Atomic Number of 18 and an atomic mass of 40.

## What atom has 19 protons 22 neutrons?

Potassium-41
Potassium-41 – It has 19 protons and atomic mass is 41. Hence, number of neutrons is 41 – 19 which is 22.

## Are protons and neutrons the same number?

For most of the 16 lightest elements (up to oxygen) the number of neutrons is equal to the number of protons.

## Are protons and electrons equal?

The number of electrons on a neutral atom is equal to the number of protons in the nucleus of the atom. This is known as the atomic number, Z. The removal or addition of electrons to a neutral atom creates ions that have a net negative or positive charge.

## How do you find number of neutrons?

For all atoms with no charge, the number of electrons is equal to the number of protons. The mass number, 40, is the sum of the protons and the neutrons. To find the number of neutrons, subtract the number of protons from the mass number. number of neutrons=40−19=21.

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## What has 12 protons and 10 neutrons?

Magnesium Ion
Magnesium Ion has 12 protons and 10 neutrons.

## What atom has 11 protons 11 electrons and 12 neutrons?

Sodium
Sodium has a mass number of 23 and an atomic number of 11. It contains 11 protons, 11 electrons, and 12 neutrons.

## Which element has exactly 12 protons?

On the periodic table of elements, magnesium is represented by the symbol Mg. It has an atomic number of 12 because it has 12 protons in its nucleus.

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