Draw Lewis structures (the central atom is underlined) in order to rank the molecules in order of decreasing bond angle.

Atank contains 240 liters of fluid in which 10 grams of salt is dissolved. brine containing 1 gram of salt per liter is then pumped into the tank at a rate of 6 l/min; the well-mixed solution is pumped out at the same rate. find the number a(t) of grams of salt in the tank at time t.

According to periodic trend, which of the following most likely has the highest ionization energy? kr be ni sc

How many moles are in 7.2 x 10^23 carbon molecules? (*round to the nearest hundredth and include the unit "mol c" after your number) question 6 options: