6. Which of the following DOES NOT describe a compound? *
2 points
a. The simplest substance.
b. It can be broken down into other types of substances.
c. It can be separated through a chemical process.
d. It is composed of two or more types of atoms.
7. What is the resulting compound if Hydrogen gas and oxygen gas combine? *
2 points
a. hydrogen peroxide
b. salt
c. sugar
d. water
For items 8—10, Tell whether the given substance is element or compound. 8. Calcium Carbonate *
2 points
a. element
b. compound
9. Sodium Bicarbonate *
2 points
a. element
b. compound
10. Nitrogen *
2 points
a. element
d. compound
11. Why is it important to be familiar with elements and compounds? *
2 points
a. to classify them accordingly.
b. to tell others you know them.
c. to enumerate elements and compounds.
d. to be praised by others of knowing them.
12. How do you classify elements from compounds? *
2 points
a. Elements are single atom substances.
b. Compounds are composed of one molecule.
c. Compounds are composed of two or more molecules.
d. Compounds are composed of two or more compounds.
13. Carbon dioxide, sodium chloride, sugar and salt are examples of________________. *
2 pointsa. compounds
b. elements
c. ingredients
d. nutrition facts
14. Oxygen and iron are elements (I). Protein and sugar are elements too (II). *
2 points
a. both statements I and II are TRUE.
b. both statements I and II are FALSE.
c. statement I is FALSE while statement II is TRUE.
d. statement I is TRUE while statement II is FALSE
15. Compounds is composed of one atom(I). Elements is a single atom substance(II). *
2 points
a. both statements I and II are TRUE.
b. both statements I and II are FALSE.
c. statement I is FALSE while statement II is TRUE.
d. statement I is TRUE while statement II is FALSE.​