Elements in Modern Electronics

How many elements from the periodic table can be found in a modern smartphone like an iPhone?

• About 30

• About 50

• About 75

• All 118

Which element is commonly used to make transistors and microchips in electronic devices?

• Lithium

• Carbon

• Silicon

• Aluminum

What term is used for minerals like gold, tin, and tantalum that are difficult to harvest and often sourced from countries with poor environmental and human rights records?

• Precious minerals

• Conflict minerals

• Rare minerals

• Industrial minerals

What is a key function of rare earth minerals like yttrium, terbium, europium, and gadolinium in iPhones?

• Powering the battery

• Making the screen display colors

• Strengthening the glass

• Forming the basis of microchips