How many electrons in an atom can have the quantum numbers n = 4, l = 0, ml = 0, ms = +1/2?

a)1

b)2

c)3

d)6

18. use the activity series to predict whether the following synthesis reaction will occur. write the chemical equations for the reaction if it's predicted to occur. (s) + o2(g) -> *note: it is possible.*

Water is initially present in a state where its molecules are far apart. during a change of state, its molecules slow down. which change of state has most likely taken place? from a gas to a liquid from a liquid to a gas from a solid to a liquid from a gas to a plasma

How many grams of mgbr2 are needed to produce 75g or metal?