Periodic Table of the Elements

The vertical columns on the periodic table are called

• periods

• groups or families

• families only

• none of the above

The horizontal rows on the periodic table are called

• groups

• families

• periods

• groups and families

Most of the elements on the periodic table are classified as

• gases

• liquids

• nonmetals

• solids

The elements that touch the zigzag line are classified as

• metals

• nonmetals

• gases

• metalloids

The elements far to the right on the periodic table are classified as

• metals

• metalloids

• noble gases

• halogens

The periodic table is arranged by increasing

• atomic number

• atomic weight

• atomic mass

• atoms

The element hydrogen stands apart from the rest of the elements because its properties

• are the same as all the other elements

• only matches the noble gases

• does not match any other single group

Hydrogen is the

• least reactive element

• most abundant element and highly reactive

Who was considered the "Father of the Periodic Table?"

• Henry Moseley

• Julius Meyer

• Dmitri Mendeleev

What are the two main groups of the periodic table?

• metals and nonmetals

• rows and columns

• families and groups

• gases and nongases