PS Chapter 5 vocabulary

One of the elements of Group 18 of the periodic table.

• Noble gas

• Metal

• Period

An element that is shiny and that conducts heat and electricity well

• Periodic law

• Halogen

• Metal

The law that states that the repeating chemical and physical properties of elements change periodically with the atomic numbers of the elements.

• Alkali metal

• Periodic law

• Nonmetal

One of the elements of Group 1 of the periodic table

• Ion

• Alkali metal

• Noble gas

A horizontal row of elements in the periodic table

• Period

• Transition metal

• semiconductor

One of the elements of Group 17 of the periodic table.

• Periodic law

• Metal

• Halogen

An element that conducts heat and electricity poorly.

• Nonmetal

• Periodic law

• Noble gas

An atom, radical, or molecule that has gained or lost one or more electrons and has a negative or positive charge.

• Transition metal

• semiconductor

• Ion

One of the metals that can use the inner shell before using the outer shell to bond

• Transition metal

• Period

• Halogen

An element or compound that conducts electric current better than an insulator does but not as well as a conductor does

• semiconductor

• Periodic law

• Nonmetal