Periodic Table of Elements Assessment

The Periodic Table of Elements is ---

• a method for arranging man-made elements by the number of protons
• a system for arranging elements based on the number of protons
• a system for arranging elements based on the number of neutrons
• none of the above

Vertical columns on the Periodic Table are referred to as ---

• elements
• groups or families
• periods
• rows

Horizontal rows on the Periodic Table are referred to as ---

• elements
• groups or families
• periods
• rows

Elements in the same --- share similar characteristics or properties.

• group or family
• period
• genus
• none of the above

Elements found on the left side of the Periodic Table are known as ---

• atoms
• metals
• nonmetals
• noble gases

The majority of elements are ---

• metals
• metalloids
• noble gases
• nonmetals

--- are a group of elements that zig-zag on the Periodic Table and separate the metals from tne nonmetals.

• Metalloids
• Semiconductors
• Cations
• Alkaline Earth Metals

Which scientist is credited with first organizing or publishing the Periodic Table of Elements?

• Albert Einstein
• Louis Pasteur
• Dmitri Mendeleev
• Isaac Newton

Elements that belong to the same group have the same number of ---

• valence electrons
• neutral electrons
• inner electrons
• total electrons

Halogens are found in column 17. They are also referred to as the Fluorine family and have one valence electron. They are highly ---

• cations
• charged
• reactive
• neutral