NONSENSE AMSWER AUTO REPORT.
1. Which of the following substances is an element? * A. air B. salt C. iron D. sugar 2. A compound is represented by chemical formula while an element is represented by _____________________. * a. coefficient b. chemical symbol c. subscript d. equation 3. A table that arrange elements in a n increasing atomic number. * a. Periodic table of elements b. Table of equivalent weights and measures c. Table of important nutrients d. Table of minerals 4. It refers to the horizontal arrangement of the elements in the periodic table. * a. transition groups b. period or series c. main group d. family or group 5. What does the chemical symbol Au stand for? * a. aluminum b. silver c. gold d. uranium