1.
K+
MgBr
KBr+
Mg
2. The greatest percentage of energy used in the United States is utilized for
a. Transportation
b. Heating homes and operating appliance
c. Manufacturing products and producing food
d. Providing electricity to businesses and office building
3. According to the kinetic theory, all matter is composed of
a.
waves
b. Particles
c. solid material
d. plasma
4. What do two or more elements combine to form?
a. a compound
b. an element
c. a substance
d. a solution
5. An atom containing six positive and six negative charges has a
a. positive
b. negative
c. Strong negative
d. No net
6. Which of the following elements is not in the iron triad?
a. cobalt
b. copper
c. nickel
d. iron
7.
charge
Chemical shorthand that uses symbols to tell what elements are
their ratios
a. Nonpolar Bond
b. Chemical Formula
c. Binary Compound
d. Chemical Bond