How do the trends in atomic radius show up in the TP (increases or decreases from top to bottom and from right to left); make a sketch of the TP and use arrows to show the increase in AR.

Chemistry

Rayon Atom MB

Answer the following questions in 1.5 pages:

Task on the atomic radius

• In your own words, explain how scientists measure the atomic radius?

• What are the factors that affect the atomic radius? Name and define each of these factors…

• How do the trends in atomic radius show up in the TP (increases or decreases from top to bottom and from right to left); make a sketch of the TP and use arrows to show the increase in AR.

• Arrange the following elements in order of increasing atomic radius and explain your choice. Carbon, aluminum, oxygen, potassium.

• In your own words, explain the following terms: a)Screen effect: b)The effective nuclear charge