Ch5 Periodic Table Test +

Why did Mendeleev have blank spots in his original Periodic Table?

Who created the periodic table?

• John Dalton

• Marie Curie

• Dmitri Mendeleev

The atomic mass of an element is equal to the number of...

• protons + neutrons

• protons + electrons

• protons + neutrons + electrons

Groups on the periodic table are arranged...

• vertically

• horizontally

• diagonally

Periods on the periodic table are arranged...

• vertically

• horizontally

• diagonally

Which of the following statements is TRUE?

• elements within a period have similar properties

• there are 7 periods on the periodic table

• different elements can have the same atomic number

What category does Hydrogen belong?

• Non-metal

• Noble Gas

• Halogen

• Metalloid

The Modern Periodic Table of Elements is arranged by

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

What does the 6 represent?

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

Tags

NGSS.MS-PS1-1

What does 12.011 represent?

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