Identify the group or period number described by each of the following:a. contains C, N, and O

Use the following blank periodic table to show where the elements matching the following descriptions appear.

a. Elements with the valence-shell electron configuration ns^2 np^5b. An element whose third shell contains two p electrons c. Elements with a completely filled valence shell

Locate aluminum in the periodic table and give its group number and period number.

Identify the group or period number described by each of the following:b. begins with helium

Using TABLE4.4, identify the function of each of the following in the body and classify each as an alkali metal, an alkaline earth metal, a transition element, or a halogen:b. Cu

Use the following blank periodic table to show where the elements matching the following descriptions appear.

a. Elements with the valence-shell electron configuration ns^2 np^5b. An element whose third shell contains two p electrons c. Elements with a completely filled valence shell