1. Directions: Choose the letter of the correct answer. Write only the letter on your yellow pad paper
. 1. Why is it important to be familiar with elements and compounds?
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,
2. Which of the following is a property of an element?
a. It is composed of two or more types of atoms.
b. It can be separated through a chemical process.
c. It is the simplest substance.
d. It is composed of two or more types of substances.
3. Which of the following is a property of a compound?
a. The simplest substance.
b. It is composed of two or more types of substances.
c. It is composed of two or more types of atoms.
d. It can be separated through a chemical process.
4. Which of the following ingredient is an element?
a. carbohydrates
c. protein
b. oil
d. calcium
5. Which of the following ingredient is a compound?
a. calcium
c. magnesium
b. calcium chloride
d. manganese​