pt1 Periodic Table Quiz

Who is credited with organizing the elements in the periodic table by increasing atomic mass and ensuring that elements in the same row have similar properties?

• John Dalton

• Dmitri Mendeleev

• Niels Bohr

• Ernest Rutherford

In what year did Dmitri Mendeleev organize the elements in the periodic table?

• 1803

• 1869

• 1905

• 1911

What significant change did Henry Moseley make to the periodic table in 1913?

• Arranged elements by atomic mass

• Arranged elements by increasing atomic number

• Introduced the concept of isotopes

• Discovered the electron

Which of the following statements is true about the periodic table we use today?

• It is arranged by atomic mass

• It is arranged by increasing atomic number

• It is arranged alphabetically

• It is arranged by the date of discovery

What is the Periodic Law?

• When elements are arranged in order of increasing atomic number, there is a periodic pattern in their physical and chemical properties.

• When elements are arranged in order of decreasing atomic number, there is a periodic pattern in their physical and chemical properties.

• When elements are arranged in order of increasing atomic mass, there is a periodic pattern in their physical and chemical properties.

• When elements are arranged in order of decreasing atomic mass, there is a periodic pattern in their physical and chemical properties.

What is the term used for the horizontal rows of the Periodic Table?

• Group

• Period

• Family

• Column

What is the term used for the vertical columns on the Periodic Table?

• Period

• Row

• Group

• Series

Which of the following best describes a 'Group' in the Periodic Table?

• Horizontal rows

• Vertical columns

• Diagonal lines

• Circular patterns

What is a characteristic of elements in the same group in the periodic table?

• They have similar properties.

• They have different properties.

• They have the same atomic number.

• They have the same atomic mass.

How are groups in the periodic table numbered?

• 1-10

• 1-18

• 1-20

• 1-12