Crash Course Chemistry Quiz

Who was the scientist who created the periodic table our modern table is based on?

• Hank Green

• Dmitri Mendeleev

• Caitlin Hofmeister

• Nick Jenkins

What is the periodic table of elements?

• A catalog of different sorts of atoms

• A table for signing important documents

• A stone table of Aslan

• A table of contents

What did Mendeleev realize about the relationship between atomic weights and properties of elements?

• They were random

• They were directly proportional

• They were inversely proportional

• They were periodic

Which group of elements are extremely reactive and need to be stored in inert gases or oil?

• Alkali metals

• Alkaline earth metals

• Transition metals

• Noble gases

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

• Their properties

• Their atomic weights

• Their physical state

• Their reactivity

Iron, nickel, and gold are ____________.

• Alkali Metals

• Transition metals

• Alkaline Earth Metals

• Halogens

All of the following are properties of TRANSITION METALS except....

• Conductive

• Ductile

• Malleable

• Highly Reactive

Which group of elements are known as the 'inert' or 'noble' gases?

• Group 1

• Group 2

• Group 17

• Group 18

The Noble Gases are ....

• Highly reactive

• Unreactive

• Mostly metals

• In Group 1

Mendeleev actually denied the existence of ....

• Religious figures

• Atoms

• Elements

• Protons