WebWhen forming ions, elements typically gain or lose the minimum number of electrons necessary to achieve a full octet. For example, fluorine has seven valence electrons, so it is most likely to gain one electron to form an ion with a 1- charge. We can use this method to predict the charges of ions in ionic compounds. Created by Sal Khan. WebPart 6 Section 2.7 9) How many electrons must be lost or gained by each of the following elements to attain a noble gas electron configuration? (write gain or lose and then the number) a) Al b) Li cs d) Si 10) What will the formula be of the ion formed when the following elements gain or lose valence electrons and attain noble gas configurations? …
How many electrons must be gained or lost by the …
WebOct 24, 2013 · State the number of electrons either lost or gained in the following ion: As3- gain of 3 electrons 31. State the number of electrons either lost or gained in the following ion: Ca2+ loss of 2 electrons 31. State the number of electrons either lost or gained in the following ion: Cu+ loss of 1 electron 31. WebJan 30, 2024 · The octet rule refers to the tendency of atoms to prefer to have eight electrons in the valence shell. When atoms have fewer than eight electrons, they tend to react and form more stable compounds. When discussing the octet rule, we do not consider d or f electrons. gps wilhelmshaven personalabteilung
Forming ions - Ionic compounds - AQA - BBC Bitesize
WebMost atoms, however, can either gain or lose electrons; when they do so, the number of electrons becomes different from the number of protons in the nucleus. The resulting charged species is called an ion. Cations and anions WebNov 19, 2024 · Answer: The number of electrons that must be gained or lost by the following atoms to achieve a stable electron configuration is : Barium (Ba) - 2 electrons lost Phosphorus (P)- 3 electrons gained Cesium (Cs) - 1 electron lost Chlorine (Cl) - 1 electron gained Aluminum (Al) - 3 electrons lost Explanation: WebOct 5, 2014 · Calcium atoms will lose two electrons in order to achieve the noble gas configuration of argon. A neutral calcium atom has 20 electrons, while a calcium atom that has lost two electrons will have 18 electrons, and a neutral argon atom also has 18 electrons. A neutral calcium atom, 20Ca, has 20 electrons with an gps wilhelmshaven