Lesson: Periodicity Chemistry
In this lesson, we will learn how to describe the trends in properties across periods of the periodic table.
The formation of ions from atoms, by the addition or loss of a single electron, affects the size of the newly formed ion compared to the original atom.
Which statement is correct when comparing the size of a cation with the corresponding atom?
Which statement is correct when comparing the size of an anion with the corresponding atom?
Which of the following statements does not in part explain why the melting point of the period 3 elements increases from to ?
The table shows the values for electrical conductivity of period 3 elements.
Which of the following statements explains why the conductivity increases from sodium to aluminum?
Which of the following statements explains the drop in conductivity from aluminum to silicon at room temperature?