An atom of a fictional element has the energy level diagram shown below. which line will not appear on the total emission spectrum? energy level diagram a. 0.9 ev b. 0.8 ev c. 0.7 ev d. 0.6 ev

Anurse practitioner prepares an injection of promethazine, an antihistamine used to treat allergic rhinitis. if the stock bottle is labeled 25 mg/ml and the order is a dose of 11.0 mg , how many milliliters will the nurse draw up in the syringe?

Which of the following statements about hybrid orbitals is or are true? choose all that apply. choose all that apply. under sp2 hybridization, the large lobes point to the vertices of an equilateral triangle. after an atom undergoes sp hybridization there is one unhybridized p orbital on the atom. the angle between the large lobes of sp3 hybrids is 109.5∘

Which of the following is described by the equation h2o(s)+ heat=h2o(i) a freezing melting condensing evaporating