Practice Retake Quiz

What does the 6 represent?

• atomic mass
• atomic number
• element name
• chemical symbol 

What does 12.011 represent?

• atomic mass
• atomic number
• element name
• chemical symbol 

a grouping of elements based on similar properties, arranged by columns in the periodic table; also known as a group

• family

• period

• row

• isotope

a row on the Periodic Table of Elements

• family

• period

• row

• isotope

Most of the mass of an atom is found it its _____.

• electron cloud
• nucleus
• atomic number
• empty space

Which is an electron?

• A
• B
• C

Which elements are to the LEFT of the zigzag?

• metals

• nonmetals

• metalloids

Which elements are colored red?

• nonmetals

• metals

• metalloids

What is group name of the most reactive metals?

• Noble gases

• Halogens

• Alkali metals

• Alkaline earth metals

Which group of the periodic table is composed of inert (not reactive)  gases?

• alkali metals
• alkaline earth metals
• halogens
• noble gases