2. Atoms & Elements

Which of the following elements is classified as an alkali metal?

Which of the following statements about groups in the periodic table is not true?

Which term is used to describe a column on the modern periodic table?

Which element, a member of the carbon family (Group 14), is commonly mistaken for the material at the end of a pencil?

Which group on the periodic table is considered the most reactive?

An element with the valence electron configuration 4s^2 4p^4 belongs to which period and group on the periodic table?

How many groups are present in the modern periodic table?

Why do elements in the same group of the periodic table have similar chemical characteristics?

Which group on the periodic table is considered the least reactive?

Which element has chemical properties most similar to sodium?

Which of the following elements is least likely to undergo a chemical reaction?

Which group number does sulfur belong to on the periodic table?

Which group of elements on the periodic table is considered unreactive?

Which region of the periodic table contains the halogen family of elements?

Which group on the periodic table contains the element that has 5 valence electrons and is in period 3?