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The number of protons in a calcium atom is always the same as the atomic number of calcium, which is 20. The number of neutrons depends on the isotope. The most common isotope is Ca-40. The number of neutrons is equal to the isotopic mass number minus the atomic number, in this instance, also 20.

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Q: How many protons and neutrons are there in electronic configuration of the atom of calcium?
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What nuclei would be the most stable?

10 protons, 12 neutrons


How many protons neutrons and electrons are in an atom of calcium-42?

Calcium has atomic number 20, which means that all calcium atoms have 20 protons in their atomic nuclei. Neutral calcium atoms also have 20 electrons. Isotopes of calcium vary in the number of neutrons in their atomic nuclei, and are named for their mass number, which is the sum of the protons and neutrons in the nucleus. You can calculate the number of neutrons (N) in an isotope by subtracting the number of protons (atomic number) from the mass number. N = 42 - 20 = 22, therefore, a calcium-42 isotope has 20 protons, 20 electrons, and 22 neutrons.


How many neutrons does calcium-40 have?

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


How many protons neutrons and electrons does Ca have?

Electrons have no relevant mass, and protons and neutrons both have the mass of 1u. If Calcium has the number 20, it has 20 protons (and electrons). It's mass is about 40u. Core Mass - Protons = Neutrons 40u - 20u = 20u, this means Calcium has 20 electrons, 20 protons and 20 neutrons.


What is tha neutron for calicum?

An atom contains protons, neutrons, and electrons. The electrons are tiny. They can be found in a fast-moving cloud, orbiting the nucleus. Each electron has a charge of -1. The nucleus contains the protons and neutrons, which are packed tightly together. The protons each have a charge of +1, and the neutrons have a charge of zero. The mass number of an element is the number of protons and the number of neutrons added together. Since the number of protons is equal to the atomic number of the element, the number of neutrons can be found by subtracting the atomic number from the mass number.

Related questions

What element's neutral atoms have 20 protons?

it is about the atomic number. Calcium is the element.


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.


The mass number of an atom of calcium with 20 protons and 20 neutrons is?

40, the sum of the protons and neutrons.


What is the element that has 20 neutrons?

Several can. Perhaps you meant to ask which has 20 protons, in which case the answer is calcium. (Calcium is also one of the elements that can have 20 neutrons, but it's not the only one.)


What does calcium contain?

Um, the element calcium? Protons, neutrons, electrons..


What nuclei would be the most stable?

10 protons, 12 neutrons


What are the elements that formed the calcium?

Calcium is an element, which means that it is made up protons/electrons and neutrons. Each calcium atom contains a total of 20 protons/electrons, and 20 neutrons.


How many protons neutrons and electrons are in an atom of calcium-42?

Calcium has atomic number 20, which means that all calcium atoms have 20 protons in their atomic nuclei. Neutral calcium atoms also have 20 electrons. Isotopes of calcium vary in the number of neutrons in their atomic nuclei, and are named for their mass number, which is the sum of the protons and neutrons in the nucleus. You can calculate the number of neutrons (N) in an isotope by subtracting the number of protons (atomic number) from the mass number. N = 42 - 20 = 22, therefore, a calcium-42 isotope has 20 protons, 20 electrons, and 22 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 neutrons does calcium-40 have?

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


How many protons neutrons and electrons does Ca have?

Electrons have no relevant mass, and protons and neutrons both have the mass of 1u. If Calcium has the number 20, it has 20 protons (and electrons). It's mass is about 40u. Core Mass - Protons = Neutrons 40u - 20u = 20u, this means Calcium has 20 electrons, 20 protons and 20 neutrons.


How many protons and electrons does a calcium atom have?

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