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If an atom has an equal number of protons and electrons its net charge is 0. If it gains an extra electron it becomes negatively charged and is known as an anion. If it loses an electron it becomes positively charged and is known as a cation.Some atoms have nearly eight electrons in their valence shell and can gain additional valence electrons until they have an octet. When these atoms gain electrons, they acquire a negative charge because they now possess more electrons than protons. Negatively charged ions are called anions.When an atom gains/loses an electron, the atom becomes charged, and is called an ion. Gaining an electron results in a negative charge, so the atom is an anion. Losing an electron results in a positive charge, so atom ion is a cation.
What happens when an atom gains an electron in its outer shell?
Some atoms have nearly eight electrons in their valence shell and can gain additional valence electrons until they have an octet. When these atoms gain electrons, they acquire a negative charge because they now possess more electrons than protons. Negatively charged ions are called anions.
What is it called when an atom gains electrons?
When an atom gains/loses an electron, the atom becomes charged, and is called an ion. Gaining an electron results in a negative charge, so the atom is an anion. Losing an electron results in a positive charge, so atom ion is a cation.
Atoms and Ions — How atoms gain, share or lose their electrons (3D animation by Labster)
Images related to the topicAtoms and Ions — How atoms gain, share or lose their electrons (3D animation by Labster)
When you add an electron to an atom what happens?
Atoms that gain extra electrons become negatively charged. A neutral chlorine atom, for example, contains 17 protons and 17 electrons. By adding one more electron we get a negatively charged Cl– ion with a net charge of -1.
How does an atom become ionized?
When one (or more) electron is stripped off or added to the atom, it is no longer electrically neutral and an ion is formed; the atom is said to be ionised. The energy required to ionise an atom can come from collisions or from interacting with electromagnetic radiation (photoionisation).
Which of the following is formed when an atom gains or loses electrons?
Expert-verified answer
An ion is formed when an atom loses or gain electrons. Explanation: When an atom loses or gains electrons it becomes an ion. The ions are basically of two types, these are cations and anions.
why atoms want 8 electrons in their outer shell
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What change occurs to an atom of an electron in the outer shell is removed?
If we remove an electron from a stable atom, the atom becomes electrically incomplete/unbalanced. That is, there are more protons in the nucleus (positive charges) than there are electrons (negative charges). With an electron removed, the atom possesses a plus one charge, therefore it is a positive ion.
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It becomes a negative ion. … on its outer shell? When an atom gains an electron in its outer shell it becomes a negatively charged ion.
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The atom that gains an electron becomes a negative ion. … For example, when sodium loses its one outer electron from the third energy level, the second …
What does ionizing mean?
Ionization or ionisation is the process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons, often in conjunction with other chemical changes. The resulting electrically charged atom or molecule is called an ion.
What is form after an atom loses electron?
Explanation: An atom loses electrons to form a cation , that is a positively charged ion (and one that is attracted towards the negatively charged terminal, the cathode ).
What happens when an electron is removed from an atom quizlet?
What happens when an electron is removed from an atom? The atom becomes a positively charged ion also known as a cation.
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When an electron is removed from an atom its energy?
Energy is supplied in order to remove electron from an atom, so energy of atom increases when electron is removed from an atom.
What is the process of removing an electron called?
The process of adding or removing electrons from an atom is called ionization.
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