Chlorine atom has 17 protons and 17 electrons. The number of neutrons depends on the isotope considered. 3. The number of electron energy levels in a magnesium atom is _____. This worked chemistry problem demonstrates how to determine the number of protons and electrons in an ion. To know how to find protons, neutrons, and electrons in an isotope, let us consider the example of Chlorine isotopes, Chlorine – 35 (17 Cl 35) and Chlorine – 37 (17 Cl 37) Chlorine – 35 (17 Cl 35) Number of Electron = Number of Proton = Atomic Number = 17 Mass Number = 35 Number of Neutron = Mass Number – Atomic Number = 35 – 17 = 18 Chlorine is a highly reactive element, due to the outermost shell of electrons. Chlorine is a yellow-green gas at room temperature. The chemical symbol for Chlorine is Cl. Each of those colored balls is an electron. ... of chlorine has two naturally occurring isotopes. Other articles where Electron shell is discussed: atom: Electron shells: In the quantum mechanical version of the Bohr atomic model, each of the allowed electron orbits is assigned a quantum number n that runs from 1 (for the orbit closest to the nucleus) to infinity (for orbits very far from the nucleus). In writing the electron configuration for Chlorine the first two electrons will go in the 1s orbital.

When we write the configuration we'll put all 17 electrons in orbitals around the nucleus of the Chlorine atom. Start studying Ch 4 Chemistry. Electrons fill rings, known as shells, outside the atom. Cl gains 1 electron to form Cl – ion. Initially there are 7 as with the case with all the members of Halogen group. See below. In the next section we're going to cover electron orbitals or electron shells. Search.

Electronic configuration of Cl={eq}[Ne]3S^{2}3P^{5} {/eq} The chloride ion has an added electron to complete the outermost electron shell, or valence shell, of the atom. Chlorine atom has 17 protons and 17 electrons. of valence electrons = 7 Regards. In the periodic table, all elements are represented by their chemical symbol with the mass number written on the top-left portion and the atomic number on the bottom-left. An atom of chlorine-35 contains 18 neutrons (17 protons + 18 neutrons = 35 particles in the nucleus) while an atom of chlorine-37 contains 20 neutrons (17 protons + 20 neutrons = 37 particles in the nucleus).Adding or removing a neutron from an atom's nucleus creates isotopes of a particular element. Shells and Subshells of Orbitals. the number of valence electron in CL i Share with your friends. Chlorine is a chemical element with the symbol Cl and atomic number 17.


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