which have different numbers of electrons ?

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which have different numbers of electrons ?

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https://chem.libretexts.org/Bookshelves/General_Chemistry/Map:_Structure_and_Properties_(Tro)/01:_Atoms/1.08:_Subatomic_Particles_-_Protons_Neutrons_and_Electrons

https://chem.libretexts.org/Bookshelves/General_Chemistry/Map:_Structure_and_Properties_(Tro)/01:_Atoms/1.08:_Subatomic_Particles_-_Protons_Neutrons_and_Electrons
1.8: Subatomic Particles – Protons, Neutrons, and Electrons
All isotopes of an element have the same number of protons and electrons, which means they exhibit the same chemistry. … Above are the three isotopes of Hydrogen. Each have the same number of protons, but have different numbers of neutrons in the nucleus. (CC BY-SA 3.0; Balajijagadesh via Wikipedia) In addition to (^{12}C), a typical sample …

https://www.khanacademy.org/science/ap-chemistry-beta/x2eef969c74e0d802:atomic-structure-and-properties/x2eef969c74e0d802:atomic-structure-and-electron-configuration/a/the-periodic-table-electron-shells-and-orbitals-article

https://www.khanacademy.org/science/ap-chemistry-beta/x2eef969c74e0d802:atomic-structure-and-properties/x2eef969c74e0d802:atomic-structure-and-electron-configuration/a/the-periodic-table-electron-shells-and-orbitals-article
The periodic table, electron shells, and orbitals – Khan Academy
Since the largest value of n is 2, we count all the electrons in the s and p orbitals that have n = 2. So we get 2 + 5 = 7. So fluorine has 7 electrons in the outermost shell. Basically, count the number of electrons in the orbitals with the highest principle quantum number, and that’ll give the number of in the outermost shell.

https://www.khanacademy.org / science / hs-chemistry / x2613d8165d88df5e:atoms-elements-and-the-periodic-table / x2613d8165d88df5e:isotopes-and-ions / v / introduction-to-ions

https://www.khanacademy.org / science / hs-chemistry / x2613d8165d88df5e:atoms-elements-and-the-periodic-table / x2613d8165d88df5e:isotopes-and-ions / v / introduction-to-ions
Introduction to ions (video) | Khan Academy
No, an element is where all atoms have the same number of protons. An ion is an atom that has different number of protons and electrons. An isotope is an atom of an element with a specific number of neutrons. Two different isotopes of the same element will have two different neutron counts.

https://chem.libretexts.org/Courses/can/CHEM_210_General_Chemistry_I_(Puenzo)/02:_Atoms_and_Elements/2.06:_Protons_Neutrons_and_Electrons_in_Atoms

https://chem.libretexts.org/Courses/can/CHEM_210_General_Chemistry_I_(Puenzo)/02:_Atoms_and_Elements/2.06:_Protons_Neutrons_and_Electrons_in_Atoms
2.6: Protons, Neutrons, and Electrons in Atoms
29 juil. 2022Because the sum of the numbers of protons and neutrons equals the mass number, 127, the number of neutrons is 74 (127 − 53 = 74). Since the iodine is added as a 1− anion, the number of electrons is 54 [53 – (1-) = 54]. Exercise. An ion of platinum has a mass number of 195 and contains 74 .

https://www.thoughtco.com/protons-neutrons-and-electrons-in-an-atom-603818

https://www.thoughtco.com/protons-neutrons-and-electrons-in-an-atom-603818
Number of Protons, Neutrons, and Electrons in an Atom – ThoughtCo
Number of Neutrons = Mass Number – Number of Protons = 1 – 1 = 0. For zinc, the atomic weight is 65.39, so the mass number is closest to 65. Number of Neutrons = 65 – 30 = 35. Follow these simple steps to find the number of protons, neutrons, and electrons for an atom of any element.

https://chem.libretexts.org/Courses/Anoka-Ramsey_Community_College/Introduction_to_Chemistry/04:_Atoms_and_Elements/4.07:_Isotopes_and_Mass_Numbers

https://chem.libretexts.org/Courses/Anoka-Ramsey_Community_College/Introduction_to_Chemistry/04:_Atoms_and_Elements/4.07:_Isotopes_and_Mass_Numbers
4.7: Isotopes and Mass Numbers – Chemistry LibreTexts
This is because the mass of the proton and neutron are each about 1 amu, while the mass of the electron is very small in comparison. mass number(A) = number of protons + number of neutrons (4.7.1) (4.7.1) mass number ( A) = number of protons + number of neutrons. Consider oxygen, which has an atomic ( Z Z) of 8.

https://www.khanacademy.org/science/hs-chemistry/x2613d8165d88df5e:atoms-elements-and-the-periodic-table/x2613d8165d88df5e:atomic-structure/v/elements-and-atomic-number

https://www.khanacademy.org/science/hs-chemistry/x2613d8165d88df5e:atoms-elements-and-the-periodic-table/x2613d8165d88df5e:atomic-structure/v/elements-and-atomic-number
Elements and atomic number (video) | Khan Academy
These are ways scientist have been able to roughly predict the placement of different energy level electrons around the atomic … N contains 4s 4p 4d and 4f etc.. There are always the same maximum number of electrons in orbitals with the same symbol, even if they are from different shells, s always maxes out at 2, p at 6, d at 10, f at 14 etc …

https://www.energy.gov/science/doe-explainselectrons

https://www.energy.gov/science/doe-explainselectrons
DOE Explains…Electrons | Department of Energy
Because of quantum mechanics, electrons act as both points and waves. This means the areas within the shells have different probabilities of containing electrons. Atoms have multiple shells, each with a different number of subshells. Shells can hold more and more electrons the further they are from the nucleus, and higher and …

https://5minuteenglish.com/lessons/grammar/have-you-ever

www.chem.uiuc.edu/rogers/Text4/Tx42/tx42.html
Atomic Structure – University of Illinois Urbana-Champaign
The atomic number has the symbol Z. Different elements have different atomic numbers; therefore, atoms of different elements contain different numbers of protons (and electrons). Oxygen has the atomic number 8; its atoms contain 8 protons and 8 electrons. Uranium has the atomic number 92; its atoms contain 92 protons and 92 .

https://openstax.org/books/biology-2e/pages/2-1-atoms-isotopes-ions-and-molecules-the-building-blocks

https://openstax.org/books/biology-2e/pages/2-1-atoms-isotopes-ions-and-molecules-the-building-blocks
2.1 Atoms, Isotopes, Ions, and Molecules: The Building Blocks
Isotopes are different forms of an element that have the same number of protons but a different number of neutrons. Some elements—such as carbon, potassium, and uranium—have naturally occurring isotopes. Carbon-12 contains six protons, six neutrons, and six electrons; therefore, it has a mass 12 (six protons and six neutrons …
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