Chemical Bonding Review

Answer C

The chemical formula for calcium chloride is A. CaCl C. CaCl2 B. Ca2Cl D. Ca2Cl2

Answer C

Which is an example of an ionic compound? A. H2O B. CO2 C. KCl D. PCl3

Answer C

When two nitrogen atoms are bonding then they will share ____ covalent bonds. A. 1 B. 2 C. 3 D. 4

Answer C

Covalent compounds tend to form with ________________.

Answer 2 Non Metals

In covalent compounds, atoms are held together when they:

Answer Share Electrons

Answer B

The bonds in most compounds A. are on a continuum between ionic and covalent. B. are always completely covalent or completely ionic. C. are only theoretical. D. are nonexistent.

Answer A

Lithium has one electron in its outer shell and fluorine has seven electrons in its outer shell. The atoms will form a(n) _____ bond by _____ their electrons. A. covalent, transferring C. covalent, sharing B. ionic, transferring D. ionic, sharing

Answer B

Sulfur atoms have six electrons in their outer shells Sulfur atoms have six electrons in their outer shells. When two sulfur atoms bond, they will form a(n) _____ bond by _____ their electrons. A. covalent, transferring C. covalent, sharing B. ionic, transferring D. ionic, sharing

Answer C

A type of reaction in which a substance releases energy to the surroundings is: ________________________.

Answer Exothermic

Answer A

What coefficient is missing in C2H4 + (?)O2 2CO2 +2H2O? A. 2 B. 3 C. 4 D. 5

Answer B

An ionic bond is the attraction between A. Similarly charged ions B. Oppositely charged ions C. Neutral Ions D. Neutral Atoms

Answer B

When nickel combines with fluorine to form nickel (III) fluoride, the charge of the nickel ion is: A. +1 B. +2 C. +3 D. +4

Answer C

The name for the compound with the formula CuBr2 would be written as: A. Copper (II) Bromide B. Copper (I) Bromide C. Copper Bromide D. Copper (III) Bromide

Answer Copper (II) Bromide

Balance the equation below. (2 Points) KI + Pb(NO3)2  PbI2 + KNO3

Answer 2KI + Pb(NO3)2  PbI2 + 2KNO3