8 Lesser-Known, Useful Elements

The video explores lesser-known elements on the periodic table and their significant roles in technology. It covers praseodymium and neodymium's use in heat-resistant glass and powerful magnets, yttrium's role in YAG lasers, and the applications of radioactive elements like americium and californium in smoke detectors and oil extraction. Osmium's density and antimony's flame-retardant properties are discussed, along with gadolinium's use in MRI technology.

Which element is known for making strong heat-resistant bonds and is used in aircraft engines?

• Neodymium

• Americium

• Praseodymium

• Yttrium

What is the primary use of neodymium in technology?

• Flame retardant plastics

• Smoke detectors

• Powerful magnets

• Heat-resistant glass

YAG lasers, which are used in medical surgeries, are primarily made from which element?

• Praseodymium

• Neodymium

• Yttrium

• Californium

Americium is commonly found in which household device?

• Smoke detector

• Television

• Refrigerator

• Microwave

Californium is used in oil extraction to measure what property of rocks?

• Temperature

• Water content

• Magnetic field

• Density

Which element was historically used in record player needles due to its density?

• Yttrium

• Gadolinium

• Osmium

• Antimony

Gadolinium is used in MRI technology because it enhances the signal by responding to what?

• Heat

• Sound waves

• Light

• Magnetic fields