2. Atoms & Elements

Which element has similar chemical properties to oxygen (O)?

Which group of elements in the periodic table contains the noble gases?

Which period and group does the element boron belong to on the periodic table?

Which of the following elements has chemical properties most similar to K (potassium)?

Which group on the periodic table contains the alkaline earth metals?

Which group of the periodic table does fluorine belong to?

Which two groups of elements in the periodic table are considered the most reactive?

Which group 15 element is classified as a metal?

How many groups are present on the modern periodic table?

Which alkali metal is located in period 5 of the periodic table?

Which element is considered the most reactive metal among the alkali metals in the periodic table?

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

Which of the following elements is NOT an alkali metal or alkaline earth metal?

Which Group 1 element exhibits slightly different chemistry from the others in its group?

Which group on the periodic table contains the alkaline earth metals?