When an electron moves from a lower to a higher energy level, the electron

always doubles its energy

moves closer to the nucleus

absorbs a continuously variable amount of energy

absorbs a quantum of energy

Which statement describes james chadwick’s discovery.

Does the number of ions in solution increase, decrease, or remain constant? it continuously decreases. it continuously increases. it decreases at first, then increases. it increases at first, then decreases.

The following questions a24 - a26 relate to 100 ml of 0.0150 m solution of benzoic acid (c6h3cooh). ka(c6h3cooh) = 6.4 x 10^-5. what is the ph of the solution after the addition of 1 x 10^-3 moles of naoh? you may assume no volume change to the solution upon addition of the naoh.