how much energy is required to ionise a H atom if the electron occupies n = 5 orbit ? compare your answer with the ionization enthalpy of H atom (energy required to remove the electron from n - 1 orbit)

Why is soap used to remove grease? a. its nonpolar end dissolves the grease. b. it makes the water bond with the grease. c. it chemically bonds with the grease. d. its polar end dissolves the grease.correct answer for apex - a, its nonpolar end dissolves the grease.

Geothermal energy for industrial use is available almost anywhere. a.true b.false

How hot is the suns corona? (integrated science)