Which of the following elements has the lowest ionization energy? Question options:

A)

Hydrogen

B)

Beryllium

C)

Argon

D)

Helium

Water ionizes by the equation h2o(l)⇌h+(aq)+oh−(aq) the extent of the reaction is small in pure water and dilute aqueous solutions. this reaction creates the following relationship between [h+] and [oh−]: kw=[h+][oh−] keep in mind that, like all equilibrium constants, the value of kw changes with temperature.

The crust of earth may a- continets and ocean floors. b-continents only. c-layers of sedimentary rocks and continents. d-all of the above

How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer