Periodic Table Chapter 5

Alkali metals are located in the most ______ of the periodic table.

• bottom rows

• top rows

• left-most column

• right-most column

Elements that share properties of both metals and nonmetals are called

• valences

• ions

• periods

• semiconductors

Elements with the same group in the periodic table have similar properties because they have the same number of

• protons

• neutrons

• ions

• valence electron

Mendeleev based his arrangement of the elements on an element's

• atomic mass

• chemical symbol

• name

• name

Meals are shiny,

• maleable and brittle.

• ductile and maleable.

• brittle, and ductile.

• plastic.

Which element is a semiconductor?

• carbon

• silicon

• sodium

• uranium

The periodic law states that, in the modern periodic table, elements with similar ________________ appear at regular intervals.

• properties

• elements

• atom

• neutrons

Group 18 noble gases are relatively inert becuase

• they readily form positive ions.

• they can have either a positive or a negative charge.

• their outermost energy level is missing one electron.

• their s and p orbitals are filled.

Ionization refers to the process of

• changing from one period to another

• losing or gaining electrons

• turning lithium into fluorine

• losing or gaining protons

Elements called ________________ can conduct heat and electricity under certain conditions.

• nonmetals

• noble gases

• semiconductors

• nonconcutors