The Periodic Table of Elements Video about Mendeleev Questions

Who is the creator of the periodic table of elements?

• Hank Green

• Dmitri Mendeleev

• De Chancourtois

• Michael Aranda

What is the periodic table of elements?

• A catalog of all the different sorts of atoms in the universe

• A table where the Declaration of Independence was signed

• A stone table of Aslan

• A table of contents

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What did Dmitri Mendeleev do shortly before his mother died?

• He became a professor

• He opened a glassmaking factory

• He rode 1200 miles through the Ural Mountains

• He went blind

What did Mendeleev realize about the atomic weights of elements?

• They were irrelevant to their properties

• They determined the reactivity of elements

• They were periodic

• They were random

Tags

NGSS.HS-PS1-2

Which group of elements were not on Mendeleev's original Periodic table because they are not unstable?

• Noble gases

• Transition metals

• Alkaline earth metals

• Halogens

What is the main characteristic of transition metals?

• They are extremely reactive

• They are good conductors of electricity

• They form negative ions

• They are nonmetals

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Where are the lanthanides and actinides located in the periodic table?

• On the left side

• In the middle body area

• On the right side

• In their own little island

What did Mendeleev predict about the missing elements in the periodic table?

• Their atomic weights

• Their properties

• Their reactivity

• Their names

Tags

NGSS.HS-PS1-1

What did Mendeleev think about the existence of atoms?

• He believed in atoms

• He denied the existence of atoms

• He was unsure about atoms

• He thought atoms were mystical

What did Mendeleev's periodic table help future chemists understand?

• The existence of atoms

• The properties of elements that hadn't been discovered yet

• The structure of the universe

• The importance of organized religions

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2