How many protons electrons and neutrons are there in the isotopes of calcium?

Answer 1

For the Calcium isotope with atomic number 20 and with isotope or mass number 40, each atom has 20 protons, 20 electrons and 20 neutrons.

This can be found easily as the atomic number of any atom = number of protons (20) and also = number of electrons(20) as each atom is electrically neutral so the +proton number has to equal the - electron number.

The Atomic Mass number (or isotope number) = number of protons + neutrons combined so in the case of calcium 40 = 20 + number of neutrons. This makes the number of neutrons 20.

Added:

Other isotopes (about 3%) of (natural occurring) Calcium are with 22, 23, 24, 26 or 28 neutrons.

All Calcium isotopes have 20 protons and 20 electrons.

Answer 2

Protons and ElectronsThe number of protons in an atom's nucleus is the same as the atomic number. The atomic number is by which the Periodic Table is arranged, so finding the number of protons will be a matter of looking at the periodic table. In this case, calcium's atomic number is 20; thus one atom has 20 protons.

If the question specifically states that the particle is an atom, then we know it's neutral as opposed to a charged ion. A neutral atom will have the same number of electrons as protons. It is neutral because there is not an abundance of one subatomic particle over another, and their charges cancel each other out. Since an atom of calcium has 20 protons, then it will have 20 electrons.

NeutronsThe alkaline earth metal calcium has 20 protons in its nucleus. That's what makes it calcium; it's what gives it its elemental identity. It's in Group 2 of the periodic table. The number of neutrons in calcium varies, however, and there are several different isotopes of this metal. The four stable isotopes of calcium (Ca) are Ca-40, Ca-42, Ca-43 and Ca-44, which have 20, 22, 23 and 24 neutrons in their nuclei, respectively. About 97% of naturally occurring calcium is Ca-40.

There are a number of other isotopes of calcium, and they range from Ca-34 to Ca-57. It should be noted that Ca-46 and Ca-48 have extremely long half-lives, and are pretty stable. The interesting isotope is Ca-41, which is produced by neutron capture from Ca-40. This makes it of interest in the study of stars. Use the links below for more information.

Answer 3

Calcium:

protons are 20

neutrons are 20, 22, 23, 24, 26 or 28

electrons are 20

Answer 4

Calcium:

protons are 20

neutrons are 20, 22, 23, 24, 26 or 28

electrons are 20

Answer 5

calcium - 39: 20 protons and 19 neutrons

calcium - 40: 20 protons and 20 neutrons

calcium - 42: 20 protons and 22 neutrons

Calcium-48: 20 protons and 28 neutrons

Answer 6

Calcium has 20 protons and electrons and a number of neutrons different for each isotope..

Answer 7

Calcium has 20 protons in all of its isotopes. The number of neutrons and electrons can vary in different isotopes of calcium. The most common isotope, calcium-40, has 20 neutrons and 20 electrons.

Answer 8

protons-20, electrons-20 and neutrons -20