4. Atoms and Elements

In periodic table classifications, what is a synthetic element?

In the periodic table, a horizontal row is called a(n):

In the periodic table, what is the last element (highest atomic number) in Period 4?

Which element in Period 3 of the periodic table is classified as a metalloid?

Identify each of the following elements as a metal, a nonmetal, or a metalloid:e. located in Group 8A (18)

Identify each of the following elements as a metal, a nonmetal, or a metalloid:a. located in Group 2A (2)

Using the Chemistry Link to Health: Elements Essential to Health, answer each of the following:a. What is a macromineral?

Using the Chemistry Link to Health: Elements Essential to Health, answer each of the following:a. What is a micromineral?