if two elements are listed in the same vertical column, what does this mean?\nthey create a gas when they…

if two elements are listed in the same vertical column, what does this mean?\nthey create a gas when they react with one another.\nthey have many properties in common.\nthey have the same atomic mass.\nthey react easily with one another.

if two elements are listed in the same vertical column, what does this mean?\nthey create a gas when they react with one another.\nthey have many properties in common.\nthey have the same atomic mass.\nthey react easily with one another.

Answer

Brief Explanations:

Elements in the same vertical column (group) of the periodic table have the same number of valence electrons, which leads to them having many similar chemical and physical properties.

Answer:

They have many properties in common.