Question

Classify each of the following as an element, a compound, or a mixture: a. Oxygen b. Table salt c. Sea water d. Wine e. Air f. Silver g. Diamond h. A pebble i. Gasoline j. Milk k. Carbon dioxide l. Bronze

Answer 1

Answer:

Oxygen element

Salt compound

Sea water mixture

Air mixture

Silver element

Diamond element

Milk mixture

Bronze element

Carbon dioxide compound

Answer 2

Answer:

a. Oxygen - An element

b. Table salt - A compound

c. Sea water - A mixture

d. Wine - A mixture

e. Air - A mixture

f. Silver - An element

g. Diamond - An element ( an allotrope of carbon)

• Diamond is made of pure carbon, and carbon is an element on the periodic table; therefore, diamond is most closely linked to being an element rather than being a mixture or compound. It is an allotrope of carbon.

h. A pebble - A mixture

i. Gasoline - A mixture

j. Milk - A mixture

k. Carbon dioxide - A compound

l. Bronze - A mixture