What Happens To An Atom When It Absorbs Energy? A- The Atom Stores The Energy For Later Use. - The Extra Energy Increases The Speed Of The Electrons In Their Orbitals. C The Atom Re-Emits The Energy As Light. D- All Of The Above. 2. Which Form Of Electromagnetic Radiation Has Photons With The Lowest Frequency? A- Radio Waves B- Microwaves C- X-Rays D-

 

 

=325 11 t 1. What happens to an atom when it absorbs energy? a- The atom stores the energy for later use. b. The extra energy increases the speed of the electrons in their orbitals. c. The atom re-emits the energy as light. d- All of the above. 2. Which form of electromagnetic radiation has photons with the lowest frequency? a- Radio Waves b- Microwaves c X-rays d- Gamma Rays 3. A 325 mL sample of gas is initially at a pressure of 721 torr and a temperature of 32C. If will be the new temperature of the gas. = 32C 305k a- 35.2C b- 335C pressure what P, V = P2 V2 T2 T2 = (721tor) (225mc) (305k (901) (286) 401 == 286mL = 911 tur 2=2 62.4C d- 215C 4. Which compound in liquid form will have the lowest vapor pressure? a- CH b- CHCH c- CHC(O)CHS d- CH3CHOH 5. Which of these compounds would you expect to be least soluble in water? a- CH3OH b- NaCl c- Br d- NH3 6. Which substance would be expected to have the highest boiling point? a- N b- O C- CO d- CO 7. How many grams of water form when 1.24 L of H2 gas at STP completely reacts with O according to the following equation? a- 0.998 g b- 1.24 g 2 H2(g) + O2(g) 2 HO(g) c- 2.00 g d- 2.48 g