Chapter 5 Test Periodicity

Who was credited with discovering the Periodic Table?

• Thompson

• Mendeleev

• Bohr

• Einstein

The elements in the vertical columns of the periodic table...

• have different charges

• are in the same period

• share similar properties

• are not similar at all

How was the first periodic table ordered?

• increasing atomic mass

• increasing atomic number

• Families

• Groups

How is the current periodic table ordered?

• By increasing atomic mass

• By increasing atomic number in groups and families

• By the properties of the nucleus

• By their chemical and physical properties

What are metalloids?

• they are metals with properties of nonmetals

• they are nonmetals with properties of nonmetals

• they are elements with properties of both metals and nonmetals

• they are nonmetals with properties of metals

The majority of the elements are...

• metals

• nonmetals

• metalloids

• alkali metals

Antimony is an example of a...

• metal

• nonmetal

• metalloid

• transition metal

Which family consists of the most reactive metals and easily react with water and form common compounds?

• alkali metals

• alkaline earth metals

• transition metals

• halogens

What family consists of metals that are very reactive, but not as reactive as alkali metals, and are found in common nutrients such as milk?

• Alkaline earth metals

• Alkali metals

• Rare earth metals

• Transition metals

What family has 7 valence electrons and consist of highly reactive nonmetals?

• Halogens

• Alkaline earth metals

• Noble gases

• Transition metals