Periodic Table

The vertical (up and down) columns in the Periodic Table are called

• groups

• towers

• periods

• atomic numbers

The Modern Periodic Table of Elements is arranged by

• atomic mass
• atomic number
• valence electrons
• number of isotopes

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What does the atomic mass tell you? 

• Basically,the number of electrons and protons
• The number of neutrons
• Basically, the number of protons and neutrons
• The number of protons.

What does the 6 represent?

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

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What does 12.011 represent?

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

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The horizontal (side to side) rows in the Periodic Table are called

• groups

• families

• periods

• atomic numbers

How many protons and electrons does nickel have?

• 28

• 58.69

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Who created the periodic table?

• Henry Moseley

• Dmitri Mendeleev

• Robert Hooke

• Jean Perrin

How many elements are on the periodic table?

• 43

• 47

• 118

• 157

Most of the elements on the periodic table are...

• Metals

• Nonmetals

• Metaloids

• Halogens