For each atom in the table below, write down the subshell from which an electron would have to be removed to make a +1 cation, and the subshell to which an electron would have to be added to make a -1 anion. The first row has been completed for you. atom H K Zn Kr subshell from which electron removed to form +1 cation 1s 0 0 0 subshell to which electron added to form -1 anion 1s X 0 0 $

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How many electrons in the valence shell for Zirconium atom (Zr) 6 electrons 2 electrons 10 electrons

For each atom in the table below, write down the subshell from which an electron would have to be removed to make a +1 cation, and the subshell to which an electron would have to be added to make a -1 anion. The first row has been completed for you. atom H Ge Fe Xe subshell from which electron removed to form +1 cation 1s 0 subshell to which electron added to form -1 anion X 1s 0 S

For each atom in the table below, write down the subshell from which an electron would have to be removed to make a +1 cation, and the subshell to which an electron would have to be added to make a -1 anion. The first row has been completed for you. atom H Ca Zn I subshell from which electron removed to form +1 cation 1s 0 0 subshell to which electron added to form -1 anion x 1s 0

Two sets of ionizations are shown in the tables below. Complete the tables by ordering each set of ionizations by increasing amount of energy required. In other words, for each set choose "1" next to the ionization that would require the least energy, "2" next to the ionization that would require the next least energy, and so on. ionization + Ge Ge + e Fr Fr + e + He He te energy required ? ? ? ionization + He → He + e + Cs Cs + e 0 0 + e X energy required ? ? Ś