Expert answer:electron arrangment patterns please get right

Answer & Explanation:1. how many electrons are in the outermost shell of an atom of phospherous(P) consult periodic table30,97415352 How many valence electrons are in an atom of strontium(S) consult periodic table547,902223. cesium(Cs) has one valence electron, and that electron is located in the sixth subshell, in which group and period is ceium locatedgroup2A, period 7group7A, period 7group8A, period6group1A, period 64. in which orbital block are the valence electrons of gallium (Ga) located consult the periodic table and the blockpsfd5. in which orbital block will you find the element with an electrically neutral atom and electron configuration of 1s^2 2s^2 2p^6fpds

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