CHEM 103 FINAL EXAM
1. Lewis Structures: represents the transfer or the sharing of electrons in chemical bonds
2. octet rule: EVERY ATOM WANTS 8 ELECTRONS IN THEIR OUTERSHELL
3. ionic bonding: chemical bond formed through the transfer of one or more electrons from one atom or
group of atoms to another group
EX : NaBr
4. metals: give
5. nonmetals: take
6. oxidation number: the superscript indicating the charge on an ion
7. ion: atom with either positive or negative charge
8. binary compound: compounds in which 2 elements are present , metal and non metal - nonmetal changes
to ide
9. ionization energy: energy required to remove the most loosley held electron from outer shell ; up and to
the right
10. polyatomic molecule: nonmetals that form one ion
11. covalent bond: sharing of electrons
EX : CO2
12. polyatomic ions: Ag silver ion
Fe 2+ ferrous ion
Fe 3+ ferric ion
Cu 1+ cuprous ion
Cu 2+ cupric ion
13. binary molecule: 1st word : prefix and full name
2nd word : prefix and stem and ide
14. mono: 1
15. di: 2
16. tri: 3
17. tetra: 4
,18. penta: 5
19. hexa: 6
20. hepta: 7
, 21. octa: 8
22. ennea: 9
23. deca: 10
24. bonding electrons: pairs of valence electrons that are shared between pairs
25. non bonding electrons: lone pairs that
are not involved in electron sharing
26. Linus Pauling: Nobel prize Chemist
27. electronegativity: measure of atoms attraction for electrons it shares with another atom in a chemical
bond
28. electronegativity increases: left to right
29. electronegativity decreases: top to bottom
30. repulsion: gives molecule shape, describes distance b/w bonding and non bonding pairs of electrons
31. molecular geometry: 3 dimensional arrangement of atom within a molecule
32. VSEPR: valence shell electron pair repulsion theory - set of procedures for predicting a 3 dimensional geometry
molecule
33. NH4: ammonium with 1 superscript
34. OH 1: hydroxide
35. NO2: nitrite with -1 superscript
36. NO3: nitrate with -1 superscript
37. C2H3O2: acetate with -1 superscript
38. HCO3: bicarbonate with -1 superscript
39. CO3: carbonate with -2 superscript
40. SO3: sulfite with -2 superscript
41. SO4: sulfate with -2 superscript
42. PO4: phosphate with -3 superscript
43. CN 1: cyanide
44. molar mass: sum of all atomic masses in a compound
45. moles conversion: division
( mass )
over
( atomic mass )
1. Lewis Structures: represents the transfer or the sharing of electrons in chemical bonds
2. octet rule: EVERY ATOM WANTS 8 ELECTRONS IN THEIR OUTERSHELL
3. ionic bonding: chemical bond formed through the transfer of one or more electrons from one atom or
group of atoms to another group
EX : NaBr
4. metals: give
5. nonmetals: take
6. oxidation number: the superscript indicating the charge on an ion
7. ion: atom with either positive or negative charge
8. binary compound: compounds in which 2 elements are present , metal and non metal - nonmetal changes
to ide
9. ionization energy: energy required to remove the most loosley held electron from outer shell ; up and to
the right
10. polyatomic molecule: nonmetals that form one ion
11. covalent bond: sharing of electrons
EX : CO2
12. polyatomic ions: Ag silver ion
Fe 2+ ferrous ion
Fe 3+ ferric ion
Cu 1+ cuprous ion
Cu 2+ cupric ion
13. binary molecule: 1st word : prefix and full name
2nd word : prefix and stem and ide
14. mono: 1
15. di: 2
16. tri: 3
17. tetra: 4
,18. penta: 5
19. hexa: 6
20. hepta: 7
, 21. octa: 8
22. ennea: 9
23. deca: 10
24. bonding electrons: pairs of valence electrons that are shared between pairs
25. non bonding electrons: lone pairs that
are not involved in electron sharing
26. Linus Pauling: Nobel prize Chemist
27. electronegativity: measure of atoms attraction for electrons it shares with another atom in a chemical
bond
28. electronegativity increases: left to right
29. electronegativity decreases: top to bottom
30. repulsion: gives molecule shape, describes distance b/w bonding and non bonding pairs of electrons
31. molecular geometry: 3 dimensional arrangement of atom within a molecule
32. VSEPR: valence shell electron pair repulsion theory - set of procedures for predicting a 3 dimensional geometry
molecule
33. NH4: ammonium with 1 superscript
34. OH 1: hydroxide
35. NO2: nitrite with -1 superscript
36. NO3: nitrate with -1 superscript
37. C2H3O2: acetate with -1 superscript
38. HCO3: bicarbonate with -1 superscript
39. CO3: carbonate with -2 superscript
40. SO3: sulfite with -2 superscript
41. SO4: sulfate with -2 superscript
42. PO4: phosphate with -3 superscript
43. CN 1: cyanide
44. molar mass: sum of all atomic masses in a compound
45. moles conversion: division
( mass )
over
( atomic mass )
