why an atom is electrically neutral ?

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Why is an atom electrically neutral? – UC Santa Barbara
Answer 1: By definition, an atom is electrically neutral (i.e. has the same number of protons as it does electrons, plus some number of neutrons depending on the isotope). If a species were charged, it is referred to as an ion (cation for positively charged and anion for negatively charged species), also by definition.

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Why is an atom electrically neutral? – BYJU’S
Why is an atom electrically neutral? Solution Atom: It’s the smallest unit of matter that can be destroyed without emitting electrically charged particles. Reason for an atom electrically neutral: The three subatomic particles that make up an atom are known to exist. Protons, electrons, and neutrons are these subatomic particles.

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Why are atoms electrically neutral? – Physics Stack Exchange
3 févr. 2023Why are atoms electrically neutral? Ask Question Asked 9 months ago Modified 9 months ago Viewed 4k times 32 I get the grade-school explanation that the number of electrons equals the number of protons, but the electric field drops off with distance.

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. 2022An atom that gains one or more electrons will exhibit a negative charge and is called an anion. Positively charged atoms called cations are formed when an atom loses one or more electrons. For example, a neutral sodium atom (Z = 11) has 11 electrons. If this atom loses one electron, it will become a cation with a 1+ charge (11 − 10 = 1+).

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Neutral Atom- Definition and Examples of Neutral Atom along with FAQs
Read more: Ion Size of Neutral Atom vs Ions Anions are larger than neutral atoms because adding electrons increases the number of electron-electron repulsion interactions. Cations are smaller than neutral atoms because the valence electrons, which are the furthest away from the nucleus, are lost.

https://chem.libretexts.org/Bookshelves/Physical_and_Theoretical_Chemistry_Textbook_Maps/Supplemental_Modules_(Physical_and_Theoretical_Chemistry)/Atomic_Theory/Atomic_Structure

https://chem.libretexts.org/Bookshelves/Physical_and_Theoretical_Chemistry_Textbook_Maps/Supplemental_Modules_(Physical_and_Theoretical_Chemistry)/Atomic_Theory/Atomic_Structure
Atomic Structure – Chemistry LibreTexts
30 janv. 2023Atomic Structure. An atom consists of a positively charged nucleus, surrounded by one or more negatively charged particles called electrons. The positive charges equal the negative charges, so the atom has no overall charge; it is electrically neutral. Most of an atom’s mass is in its nucleus; the mass of an electron is only 1/1836 the mass …

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Explain why an atom is neutral – Socratic
The charge from a proton or electron are of equal strength, therefore if an atom has an equal number of protons and electrons, it will be electrically neutral. However, atoms are not always electrically neutral, in which case they are called ions.

https://chem.libretexts.org/Courses/can/intro/04:_Atoms_and_Elements/4.4:_The_Properties_of_Protons_Neutrons_and_Electrons

https://chem.libretexts.org/Courses/can/intro/04:_Atoms_and_Elements/4.4:_The_Properties_of_Protons_Neutrons_and_Electrons
4.4: The Properties of Protons, Neutrons, and Electrons
The positive charge on a proton is equal in magnitude to the negative charge on an electron. As a result, a neutral atom must have an equal number of protons and electrons. The atomic mass unit (amu) is a unit of mass equal to one-twelfth the mass of a carbon-12 atom. Electrons are extremely small.

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What is a neutral atom? – Chemistry Stack Exchange
A neutral atom is an atom where the charges of the electrons and the protons balance. Luckily, one electron has the same charge (with opposite sign) as a proton. Example: Carbon has 6 protons. The neutral Carbon atom has 6 electrons. The atomic number is 6 since there are 6 protons.

https://chem.libretexts.org/Courses/Chippewa_Valley_Technical_College/CVTC_Basic_Chemistry/01:_Matter_Atoms_and_Elements/1.09:_Nuclei_of_Atoms

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1.9: Nuclei of Atoms – Chemistry LibreTexts
19 déc. 2021How many electrons are in an atom? Previously we said that for an electrically neutral atom, the number of electrons equals the number of protons, so the total opposite charges cancel.Thus, the atomic number of an element also gives the number of electrons in an atom of that element. (Later we will find that some elements may gain or lose electrons from their , so those will no … lesoutrali bot