2. Atoms & Elements

Which of the following elements is found in the noble gas group (Group 18) of the periodic table?

Which of the following elements is the most reactive?

Strontium (Sr) shares common properties with which of the following elements?

Which element would most likely have chemical properties similar to that of magnesium (Mg)?

Which group of elements on the periodic table is characterized by having few valence electrons and is known for conducting heat and electricity?

Why is the periodic table organized into groups?

Which element has chemical properties most similar to potassium?

Which statement best describes how oxygen group elements (Group 16) typically react with metals?

Which of the following sets of elements have the most similar chemical properties?

Which of the following elements would be chemically similar to calcium (Ca)?

Which of the following elements has similar chemical properties to lithium?

Which group of elements has properties most similar to potassium?

Which group of elements on the periodic table contains elements with two electron shells?

Which group on the periodic table is known as the alkaline earth metals?