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The mass number is the sum of the protons and neutrons, in this case 35. The atomic number is the same as he number of protons, in this case 17.

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Does an atom of chlorine have 17 protons and 18 neutrons?

Yes, the main isotope of chlorine has 17 protons and 18 neutrons.


How many neutrons are in the atom chlorine?

Every chlorine atom has 17 protons; 17 is the atomic number of chlorine. However, chlorine has two isotopes that are stable against radioactive decay. These have mass numbers of 35 and 37, which have 18 and 20 neutrons respectively.


Does Cl 37 have 20 protons 20 electrons and 20 neutrons?

No, an atom of chlorine with 20 protons would not be chlorine-37. Chlorine-37 has 17 protons and 20 neutrons, totaling 37 particles in its nucleus. The number of electrons in a neutral chlorine-37 atom would be 17, not 20.


Where are the electron on a chlorine atom?

Outside the nucleus (where the protons and neutrons are) in a "cloud".


the location of an atom where protons and neutrons are located is called?

Within an atom the protons and neutrons are located at the center of the atom, the location is called the nucleus.


What is the mass of a potassium atom with 20 neutrons?

Mass number = No. of protons + No. of neutrons = 19 + 20 = 39


How many electrons does a chlorine atom have if it has 17 protons and 18 neutrons?

17 electrons. The number of protons and electrons is always the same.


How many protons and neutrons are there in chlorine?

Chlorine has an Atom number of 17 and atom mass of 35.45. So atom mass - atom number gives you 18.45


What is an assembly of protons and neutrons within an atom called?

An assembly of protons and neutrons within an atom is called a nucleus. It is the central part of an atom that contains most of the mass of the atom and is positively charged due to the protons it contains.


What has 17 protons and 20 neutrons?

An atom with 17 protons and 20 neutrons would be chlorine-37, which has a total atomic mass of 37 (17 protons + 20 neutrons).


What is the number of protons and neutrons called?

The number protons in an atom is called the atomic number (it is this number that tells us which element the atom is). The number of neutrons in an atom can change, but the term for the amount of neutrons is called an isotope. The number of protons and neutrons added together is called the atomic mass.


An atom that has more neutrons than protons is called what?

An atom that has more neutrons than protons is called an Isotope.