1. What are molecules consisting of 2 atoms of the same element called?
B. Electronegative molecules
A. Identical molecules
C. Twin molecules
D. Diatomic molecules

2. What is the equal sharing of electrons between atoms in a compound called?
B. Polar molecule
A. Nonpolar molecule
C. Covalent molecule
D. Magnet molecule

3. What kind of shape would a molecule have if it has four atoms bonded to it?
B. Bent
A. Tetrahedral
C. Trigonal pyramidal
D. Trigonal Planar

4. What is an attraction of metallic atoms for “delocalized electrons” (sea of electrons) called?
B. Covalent Bond
A. Ionic bond
C. Metallic bond
D. Molecular bond

5. What is an attraction of metallic atoms for “delocalized electrons” (sea of electrons) called?
B. Covalent Bond
A. Ionic bond
C. Metallic bond
D. Molecular bond

6. Name the following: H2SO4
B. Sulfuric Acid
A. Sulfurous Acid
C. Hydrosulfuric Acid
D. Hydrosulfurous Acid

7. What is the rule that atoms tend to gain, lose, or share electrons so that they have 8 valence electrons called?
B. Rule of 9
A. Octagonal Rule
C. Octet Rule
D. 8 valence rule

8. What is the bond that is an electrostatic force of attraction between positive and negative ions called?
B. Alloy
A. Ionic Compound
C. Metallic Compound
D. Molecular Compound

9. What kind of bond is formed between two nonmetals?
B. Ionic Bond
A. Covalent Bond
C. Metallic Bond
D. Nonpolar ionic bond

10. A. To be closer to one another
Why do atoms combine?
B. To become stable ( fill the octet)
A. To be closer to one another
C. To exchange electrons
D. To make their properties better

11. What kind of compound is NaI?
B. Alloy
A. Ionic Compound
C. Metallic Compound
D. Molecular/Covalent Compound

12. Which of the following is NOT a reason a molecule is polar?
B. Different elements bonded to central atom
Lone pair on central atom
C. Different bonds around the central element
D. Two of the same atoms bonded together

13. Which bond is the longest?
B. Double
A. Triple
C. Covalent
D. Single

14. What is the formula for hydrochloric acid?
B. HCl2
A. HCl
C. H2Cl
D. Cl2

15. What are the 7 diatomic molecules.
B. B Ac O N Cl F Ne
A. H O F Br I N Cl
C. H C N O F Cl Br
D. As Se Br Cl I F O

16. What kind of shape would a molecule have if it has 3 bonds and zero unshared pairs?
B. Bent
A. Tetrahedral
C. Linear
D. Trigonal Planar

17. What kind of compound is CO2?
B. Alloy
A. Ionic Compound
C. Metallic Compound
D. Molecular Compound

18. What kind of shape would two atoms bonded together have?
B. Bent
A. Tetrahedral
C. Linear
D. Trigonal Planar

19. Which element is the most electronegative?
B. Cl
A. C
C. S
D. Se

20. What kind of shape would a molecule have if it has 3 bonds and one unshared pair of electrons?
B. Bent
A. Tetrahedral
C. Trigonal pyramidal
D. Trigonal Planar

21. When naming ionic compounds, what is important about the name when you have transition metals?
B. Roman numerals
A. subscripts
C. parentheses
D. charges

22. What are the two types of Van der Waals forces called?
B. Dipole forces & dispersion forces
A. Hydrogen bonds & Dispersion Forces
C. Dispersion forces & ionic bonds
D. Dipole forces & hydrogen bonds

23. If a molecule has strong bonds and intermolecular forces, what happens to the melting point and boiling point?
B. Low
A. High
C. Medium
D. Really low

24. What kind of charge does F usually form?
B. -2
A. +1
C. 0
D. -1

25. When forming a compound with a nonmetal what does Magnesium usually do?
B. Give up 1 electrons
A. Give up 2 electrons
C. Gain 2 electrons
D. Stay the same

26. How many valence electrons does Helium usually have?
B. 3
A. 2
C. 8
D. 7

27. What kind of compound has these properties: low melting point; dull, brittle solid, poor conductor.
B. Alloy
A. Ionic Compound
C. Metallic Compound
D. Molecular Compound

28. How many valence electrons does Oxygen have?
B. 16
A. 3
C. 6
D. 5

29. What is the IUPAC name for: CuCO3
B. Copper (II) Carbonate
A. Copper Carbonate
C. Copper carbon oxide
D. Monocarbon tricarbonate

30. What do we criss cross when making an ionic compound?
B. names
A. Valence electrons
C. Oxidation numbers
D. subscripts

31. Give the formula: Manganese (III) oxide
B. Mn2O3
A. Mg2O3
C. KMnO5
D. Mn3O2

32. Which compound contains prefixes in the name?
B. Metallic compounds
A. Ionic compounds
C. Hydrogen compounds
D. Covalent compounds

33. What is the name for: KOH
B. Calcium oxygen hydride
A. Potassium oxygen hydride
C. Potassium hydroxide
D. Calcium hydroxide

34. Give the formula: Dinitrogen pentoxide
B. N2O3
A. N2O5
C. NO5
D. 2N5O

35. What is the name for: CCl4
B. Monocarbon tetrachloride
A. Carbon tetrachloride
C. Carbon carbide
D. Carbon chloride

36. A. Pyramids always have smaller angles
Why does a trigonal pyramidal molecule have a smaller bond angle than a trigonal planar?
A. Pyramids always have smaller angles
B. Bond angles can shift if they feel too crowded, so they shifted to give more room to the elements
C. The lone pair of electrons on pyramidal has a high amount of repulsion pushing the bonds closer together
D. The bond angles always decrease when you have more bonding pairs

37. Give the formula: Nitrogen pentoxide
B. N2O3
A. NO5
C. N2O5
D. 2N5O

38. When forming a molecule with a nonmetal, Nitrogen usually does what?
B. Gains 3 electrons
A. Shares 5 electrons
C. Has 2 lone pairs that are not shared
D. Shares 3 electrons

39. Give the formula: Lithium sulfite
B. LiSO3
A. LiS
C. Li2SO4
D. Li2SO3

40. What is a neutral compound consisting of nonmetals, covalently bonded called?
B. Polar atom
A. compound
C. molecule
D. Nonmetal bonds

41. A. Diphosphorus pentoxide
What is the name for: P2O5
B. Diphosphorus pentaoxide
A. Diphosphorus pentoxide
C. Phosphorus oxide
D. Phosphorus pentoxide

42. Name the following: HNO2
B. Hydronitric acid
A. Nitric acid
C. Nitrous acid
D. Hydronitride acid

43. What is the name for: CaI2
B. Calcium iodate
A. Monocalcium diiodide
C. Calcium iodide
D. Calcium diiodide

44. Which bond is the strongest?
B. Triple
A. Single
C. Double
D. Covalent

45. Give the formula: Potassium chloride
B. KMnO4
A. KCl
C. KClO5
D. KCl3