Determine the energy in joules of a photon whose frequency is 3.05 ✕ 10^17 Hz.

How many miles of water are produced if 5.43 mol pbo2 are consumed

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

Which description best characterizes the motion of particles in a solid?