2. Atoms & Elements

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

Which group on the periodic table tends not to form ions or react with other elements?

Where on the periodic table are the most active metals located?

Halogens tend to form compounds most readily with elements in which group of the periodic table?

Which of the following elements would be chemically similar to selenium (Se)?

Which of the following elements is classified as a noble gas?

Which group of elements on the periodic table shares characteristics with both metals and nonmetals?

Which group of elements on the periodic table is characterized by having similar chemical properties?

Which element would have properties most similar to sulfur?

The columns of the periodic table of elements are sometimes referred to as what?

Which element belongs to the least reactive group of elements on the periodic table?

Which group of the periodic table contains elements with chemical properties most similar to tellurium (Te)?

Which of the following elements has the same number of energy levels (electron shells) as sodium (Na)?

Which of the following elements is classified as a halogen?

The elements in group 17 of the periodic table are called the: