Periodic Table Reading

What anniversary does the year 2019 mark for the periodic table?

• 100th anniversary

• 150th anniversary

• 200th anniversary

• 250th anniversary

Which element did Mendeleev predict that was later discovered and named?

• Gallium

• Helium

• Neon

• Argon

Who is credited with creating the first periodic table?

• Albert Einstein

• Isaac Newton

• Dmitri Mendeleev

• Marie Curie

What is the significance of the periodic table according to the passage?

• It is just a list of elements.

• It categorizes and sorts elements, showing a repeating pattern in their properties.

• It is a historical artifact with no modern relevance.

• It is a tool for predicting weather patterns.

What is a major concern regarding certain elements mentioned in the passage?

• They are too abundant and cause pollution.

• They are becoming prohibitively scarce and expensive to mine.

• They are causing global warming.

• They are not useful in modern technology.

What is the role of helium as mentioned in the passage?

• Used in party balloons only.

• Used as a cooling liquid for superconducting magnets and in weather balloons.

• Used in cooking and food preservation.

• Used in construction and building materials.

What challenge is associated with 'rare earth elements' according to the passage?

• They are too common and have no value.

• They are not geologically concentrated into rich ores, making extraction difficult.

• They are easily recyclable and abundant.

• They are only found in one part of the world.