Applying the bohr model to a triply ionized beryllium atom (be3+,z=4), find the ionization energy required to remove the final electron in be3+.

Which property of water causes water drops to bead on a freshly waxed car?

Describe at least two advantages and two disadvantages of using hydropower as a source of energy.

Will mark as brainliest ! how many grams of iron metal do you expect to be produced when 245 grams of an 80.5 percent by mass iron (ii) nitrate solution react with excess aluminum metal? show all work needed to solve this problem!