The density of lead is 15.762 g/ml. what would the volume of a 528 gram sample of lead

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

The wave shown on the electromagnetic spectrum disturb the medium it passes through a)different frequency. b)the same frequency .

Which of the following elements would you expect to have the lowest ionization energy value? fluorine, lithium, neon, nitrogen