CHEM 121 VIEW AHEAD EXAM QUESTIONS FULL SOLUTION GUIDE

CHEM 121 VIEW AHEAD EXAM QUESTIONS FULL SOLUTION GUIDE
CHEM 121 Final Question and Answe1 Questions
and Answers Verified Solutions Latest Update
2026/2027

Question:
molar mass is the mass of.

Answer:
6.022e23 molecules or 1 mole



Question:
exothermic reaction.

Answer:
gas -> liquid -> solid



Question:
endothermic reaction.

Answer:
solid -> liquid -> gas



Question:
ionization energy trend.

Answer:




Question:
photoelectric effect.

, Answer:
certain metals emit electrons when illuminated by particular wavelengths of light



Question:
2 hybrid orbitals.

Answer:
linear (sp)



Question:
3 hybrid orbitals.

Answer:
trigonal planar (sp2)



Question:
4 hybrid orbitals.

Answer:
tetrahedral (sp3)



Question:
5 hybrid orbitals.

Answer:
trigonal bipyramidal (sp3d)



Question:
6 hybrid orbitals.

Answer: