valence electron configuration OWLv2|Online teaching an... XG -led search-t Ri s

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valence electron configuration OWLv2|Online teaching an... XG -led search-t Ri share | More » Use the References to access important values if needed for this question. Enter the type of subshell affected by the gain or loss of electrons DO NOT enter the specific subshell. For example: If electrons are added to the 3p subshell, enter p. If electrons are lost from the 4s and 3d subshells, enter s + d. A. If an element with the valence configuration 4s'3d loses 2 electron(s), these electron(s) would be removed from the ubshell(s) B. An element with the valence electron configuration 3s'3p would form a monatomic ion with a charge In order to form this ion, the element wil Jelectroncs) from/ into the lose/gain) subshell(s) Retry Entire Group 9 more group attempts remaining Submit Answer '

Explanation / Answer

a)

the electrons will be stirpped form the least energy

then, 4S electrons require less energy than those of 3D, then the elctronsa re stripped from S

b)

+2; since those are the least energy reqruiring electrons

the element must LOSE 2 electrons from 3S subshell

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