URGENT PLZ HELP Which of the following orbital designations is impossible?

a) 5p

b) 45

c) 2p

d) 3f

Which type of substance ionizes partially and gives off hydrogen ions when dissolved in water? a. strong acid b. strong base c. weak acid d. weak base

In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 5.35 mol fe and 7.65 mol nio(oh) react?

Which rate indicates the number of children that would be born per woman if she were to live to the end of her child bearing years