Help Please. THANKS archCengageBrain-My He WLV2| : owLV2lOnline Online teachiE P

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Help Please. THANKS

archCengageBrain-My He WLV2| : owLV2lOnline Online teachiE PeriodicTable2.jpg (14 x teachi ei periodicTable2.jpg x , (1 e i Periodic Table with O Periodic Table witho) × ignment/takeCovalentActivity.do?locator-assignment-take&takeAssignmentSessionLocator-assignment-take; Revlew Topics] Reforencos] Use the References to access important values If needed for this question. A. A main group element with the valence electron configuration 4s24p is in periodic group It forms a monatomic ion with a charge of B. A main group element with the valence electron configuration 4s is in periodic group B. A main group element with the valence electron configuration 4sl is in periodic group It forms a monatomic ion with a charge of ited Submit Answer Rotry Entire Group 4 more group attempts remaining

Explanation / Answer

If it ends on the "p" orbital then the you get the periodic group summing electrons in "s" and "p" orbitals, then:

S = 2, P= 5 ...........Periodic group = 2+5 = 7A or 17

It is a non-metal, so it attract electrons. The ion has negative charge. (-1)

If it ends on the "s" orbital then you get the periodic group directly from the electrons in "s" orbtial, then:

S = 1................Periodic group: 1A or 1

It is a alkaline metal, so the ion has positive charge (+1)

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