Development of the Periodic Table

Who arranged the known elements into horizontal rows of increasing atomic mass leaving gaps for as yet undiscovered elements?

• Mendeleev

• Meyer

• Newlands

• Moseley

In what year did Mendeleev develop his Periodic Table of Elements?

• 1870

• 1869

• 1829

• 1913

Who first grouped elements in families (similar chemical and physical properties)?

• Newlands

• Mendeleev

• Dobereiner

• Moseley

In what year did Dobereiner develop his Periodic Table of Elements?

• 1913

• 1864

• 1870

• 1829

Who is credited with developing the first widely recognized periodic table of elements in 1869?

• Isaac Newton

• Albert Einstein

• Charles Darwin

• Dmitri Mendeleev

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8.P.1.2

The modern periodic table represents the work of hundreds of scientist compiled over hundreds of years. ______________ published his first version of the periodic table in 1869, and is most often credited as its inventor.

Use Periodic Table notes to answer, if needed. If missing this information, please add to reference section of your binder.

• Isaac Newton

• Albert Einstein

• Charles Darwin

• Dmitri Mendeleev

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8.P.1.2

Who is credited with creating the first periodic table?

• Isaac Newton

• Albert Einstein

• Dmitri Mendeleev

• Marie Curie

__________________________ first organized the elements by arranging them in order of increasing atomic mass.

• JJ Thomson

• John Dalton

• Dmitri Mendeleev

• Albert Einstein

What was Dmitri Mendeleev's greatest contribution to the history of the periodic table?

• He arranged all of the known elements by their atomic number

• He realised that there was a pattern of reactivity which repeated every 8 elements

• He predicted the existence (and properties) of new elements

• He identified the "law of triads" which became the groups

Who created the first periodic table?

• Mendel

• Mendeleev

• LaVoisier

• Avogadro