2. Atoms & Elements

Which pair of elements are nonmetals and gases at room temperature and normal atmospheric pressure?

Which group of the periodic table contains the most reactive metals?

Which statement explains why sulfur is classified as a group 16 element on the periodic table?

Which of the following elements is chemically similar to lithium?

Which property do elements in the same group of the periodic table most commonly share?

Which of the following is the correct name for the elements in Group 17 of the periodic table?

Which characteristic is commonly shared by elements within the same group on the periodic table?

Which group of elements on the periodic table have the most similar chemical properties?

Which element shares the most chemical properties with lithium?

On the periodic table, where are elements with the most similar physical and chemical properties typically found grouped together?

In the periodic table, what is the term used to refer to the vertical columns?

Which of the following elements behaves most like magnesium (Mg) in terms of chemical properties?

Chlorine (Cl) shares common properties with which of the following elements?

How many groups are present in the modern periodic table?

Which of the following halogens has the highest boiling point?