IB Chemistry I First Semester Final Review

IB Chemistry I First Semester Final Review
Topics 2,3,4, and some 11
1. Calculate the relative atomic mass given the relative abundance of isotopes. For example, C-12 is
97%, C-13 is 2%, and C-14 is 1%
2. Organize the EM spectrum (UV to IR) from most to least energy.
3. Know the number of protons, neutrons, and electrons in an atom of 14C (or any other isotope for that
4. Boiling point of various molecules from high to low (which is based on their polarity). For instanceHF, O2, and NH3
5. Know the number of orbitals in each energy level.
6. Understand how many electrons an atom or ion has.
7. Recognize a correct Lewis structure for a molecule.
8. Be able to rank the bond angles in various molecules. For example- HF, H2O, and NH3
9. Which elements (based on ionization energy and electronegativity) will form an ionic or covalent
10. State the shape of a molecule when given its molecular formula. For example, H2S.
11. Describe or define covalent bonding.
12. Give the correct formula of ionic named compound (don’t forget to know polyatomic ion names,
charges, and transitional metals with various charges)
13. Know the intermolecular forces and be able to rank them from lowest to highest.
14. Given multiple molecular formulas, be able to rank the most polar to the least polar.
15. Give the electron configuration of a given element.
16. Know the polyatomic ions and their charges.
17. Know the definition of ionic, covalent, and metallic bonding.
18. Be able to make calculations with correct sig figs (+/- rules vs. x/÷) and error (+/- rules vs. x/÷).
19. Distinguish between systematic and random error.
20. Know how the RADIUS, ionization energy, electron affinity, and electronegativity change as you
move horizontally and vertically across the periodic table and explain why.
21. Know what properties decrease down group 17 in the periodic table.
22. State whether an anion or cation has a greater radius that its parent atom and why.
23. What properties decrease going down group 1 (the alkali metals)?
24. Know trends/similarities, differences in physical and chemical properties as you move vertically and
horizontally on the periodic table.
25. Compare and contrast ionic and covalent bonding.
26. Give the correct number of valence electrons (electrons in the highest occupied energy level) of any
27. Be able to correctly identify a correct orbital diagram for a given element.
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