Periodic Table

Where can you find the periodic table displayed?

• Only in textbooks

• On clothing and household items

• Only in science museums

• In chemistry labs

Who created the periodic table?

• Dmitri Mendeleev

• Isaac Newton

• Albert Einstein

• Marie Curie

What was unique about Mendeleev's periodic table?

• It arranged elements by atomic mass

• It listed all known elements

• It was the first periodic table ever made

• It predicted undiscovered elements

What did Mendeleev call the element he predicted to exist next to aluminum?

• Eka-aluminum

• Meta-aluminum

• Neo-aluminum

• Proto-aluminum

What properties did Mendeleev predict for eka-aluminum?

• Solid metal with low melting point

• High melting point

• Gaseous at room temperature

• Liquid at room temperature

Which element discovered later was identified as eka-aluminum?

• Scandium

• Gallium

• Germanium

• Technetium

What was the actual atomic weight of gallium?

• 71

• 70

• 69.72

• 68

At what temperature does gallium melt?

• 70 degrees Celsius

• 90 degrees Celsius

• 50 degrees Celsius

• 30 degrees Celsius

Tags

NGSS.MS-PS1-4

Which element predicted by Mendeleev was synthesized in a cyclotron?

• Technetium

• Rhenium

• Scandium

• Germanium

What exclusive honor did Mendeleev receive after his death?

• A statue in his honor

• A science award named after him

• An element named after him

• A Nobel Prize