2. Determine whether each of the following statements concerningline spectra are true orfalse.
1. Electrons can absorb energy from being heated in a flame.
2. Electrons are stable in excited states.
3. Electrons release energy as they return to the groundstate.
4. The energy given off by electrons can have any value.
5. The energy of the light released is related to the differencein energy levels
6. The energy of light released is directly related to itsfrequency.
7. The frequency of light released is directly related to itswavelength.
Part II (not graded for correctness)
1. Suggest a reason why the heat required to vaporize 75 g ofwater is so much higher than the heat required to heat 75 g ofwater through a temperature change of 65oC. Explain youranswer.
2. Consider the following atomic notations for element A andB:
Element A: 232 Element B: 228
Th Th
90 90
Based on the information provided and your periodic table, statethree things these two elements have in common and three things inwhich they differ. Explain your answers. Â
