Can somebody please help with this

where does the numbers go

Drag each tile to the correct location on the image.
Use the periodic table to write the electron configuration of selenium (Se).

Tiles:
s, p, d, 1, 2, 3, 4, 6, 10

Note the ph and poh values labeled with letters on the ph scale below. based on log rules and the way ph is calculated, what is the difference in [oh– ] concentration between point a and point b. a) 10^1 b) 10^5 c) 10^6 d) 10^7

H2so4(aq) + mg(s)—> mgso4(aq) +h2(g) which substance is the acid in the reaction?

Find the mass in grams of 1.37x1020 particles of h3po4