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The most common isotope of calcium (40Ca) has 20 neutrons. You can find this out by subtracting the number of protons (atomic number, 20), from the total AMU's of 40. About 96% of calcium on Earth is calcium-40.

Calcium also has eight other isotopes, 41Ca through 48Ca, five of which are radioactive. The second-most prevalent stable isotope is 44Ca which is about 2% of all calcium.

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12y ago
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12y ago

The number of neutrons is the difference between the Atomic Mass of an isotope and the atomic number of the element; each isotope of calcium has a different number of neutrons.

See the link below for calcium isotopes.

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14y ago

Depending on the isotope, it has 20, 22, 23, 24, 26, or 28 neutrons. The most common isotope has 20 neutrons.

Depending on the isotope, it has 20, 22, 23, 24, 26, or 28 neutrons. The most common isotope has 20 neutrons.

Depending on the isotope, it has 20, 22, 23, 24, 26, or 28 neutrons. The most common isotope has 20 neutrons.

Depending on the isotope, it has 20, 22, 23, 24, 26, or 28 neutrons. The most common isotope has 20 neutrons.

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12y ago

The number of neutrons is the difference between the atomic mass of an isotope and the atomic number of the element; each isotope of calcium has a different number of neutrons.

See the link below for calcium isotopes.

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9y ago

There are 20 neutrons in the nucleus of a calcium atom. A calcium atom is found with a mass of 42.

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14y ago

Depending on the isotope, it has 20, 22, 23, 24, 26, or 28 neutrons. The most common isotope has 20 neutrons.

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13y ago

20

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13y ago

20 neutrons

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Q: How many neutrons are there in calcium?
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Related questions

How many neutrons are in calcium -41?

Calcium-41 has 21 neutrons.


How many neutrons does calcium 40 have?

20 neutrons


How many new neutrons in calcium?

The most stable isotope, calcium-40 has 20 neutrons.


How many nuetrons and electrons does calcium have?

calcium has 20 neutrons and electrons


How many protons electrons and neutrons dose calcium have?

Calcium has 20 protons and electrons and a variable number of neutrons, depending on the isotope.


How many neutrons calcium?

The number of neutrons is the difference between the Atomic Mass of an isotope and the atomic number of the element; each isotope of calcium has a different number of neutrons. See the link below for calcium isotopes.


Number of neutrons in calcium?

There are 20 neutrons in an atom of Calcium.


How many neutrons does calcium-40 have?

Number of neutrons = mass number - atomic number = 40 - 20 = 20 neutrons


How many neutrons are in a calcium ion?

it depends on the isotopes of calcium e.g. Calcium-40 has 20 electrons and 20 neutrons Calcium-44 has 20 electrons and 24 neutrons To find out the number of neutrons for Calcium you take the Isotope number (x) minus away the number of electrons (20) e.g. Calcium-x Calcium-x has 20 electrons and (x-20) neutrons.. OR you take the relative atomic mass (x) and subtract it with the number of electrons (20) (x-20) = neutrons


How many proton neutrons and electron does calcium have?

Calcium has 20 protons, 20 electrons and 20 neutrons in its most commonly found isotope.


How many protons neutrons and electrons does calcium ion have?

20


How many neutrons and electrons are in clacium?

Calcium has 2 valence electrons