Periodic Table_Crashcourse

What is the most important table discussed in the text?

• The table where the Declaration of Independence was signed

• The periodic table of elements

• The stone table of Aslan

• A table of contents

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the narrator's purpose in discussing the table?

• To describe its physical appearance

• To talk about its creation

• To explain its financial value

• To compare it to other tables

Where did Mendeleev eventually get accepted as a pupil?

• Moscow

• St. Petersburg

• Siberia

• Aslan

How often do characteristics repeat in the periodic table according to the text?

• Every five elements

• Every seven elements

• Every eight elements

• Every ten elements

How many periods were there for the first two rows in Mendeleev's table?

• Five

• Six

• Seven

• Eight

What are alkali metals known for?

• Being unreactive

• Forming negative ions

• Being extremely reactive

• Being poor conductors of electricity

What is a characteristic of the middle body area of the periodic table?

• Contains noble gases

• Contains alkali metals

• Contains transition metals

• Contains halogens

What did Mendeleev believe about the periodicity of elements?

• It was a mystical phenomenon

• It was a physical phenomenon

• It was a temporary trend

• It was a scientific error

What elements are mentioned as being just one proton away from each other?

• Hydrogen, Helium, and Lithium

• Fluorine, Neon, and Sodium

• Carbon, Nitrogen, and Oxygen

• Iron, Cobalt, and Nickel

A vertical column is called...

• group
• tower
• period
• crew