electron arrangment patterns please get right

1. how many electrons are in the outermost shell of an atom of phospherous(P) consult periodic table

30,974

2 How many valence electrons are in an atom of strontium(S) consult periodic table

47,90

3. cesium(Cs) has one valence electron, and that electron is located in the sixth subshell, in which group and period is ceium located

group2A, period 7

group7A, period 7

group8A, period6

group1A, period 6

4. in which orbital block are the valence electrons of gallium (Ga) located consult the periodic table and the block

5. in which orbital block will you find the element with an electrically neutral atom and electron configuration of 1s^2 2s^2 2p^6