Mid Term Exam - 2019

Question 1

What element is used in the manufacture of food can ad pays a key role in the aerospace and aircraft industry?

Answer 1

Aluminum

Question 2

What element is a major component of table salt?

Answer 2

Sodium

Question 3

What element is useful for street lighting?

Answer 3

Sodium

Question 4

What element makes up the ozone?

Answer 4

Oxygen

Question 5

What element plays a key role in fertilizer?

Answer 5

Nitrogen

Question 6

What element helps reverse a process called demineralization and helps stope tooth decay?

Answer 6

Fluorine

Question 7

What element until 1940 was used in the manufacture of fluorescent lightbulbs?

Answer 7

Beryllium

Question 8

What element was found use as a historical cosmetic, a modern day laundry detergent, a flux in the manufacture of steel to lower the melting point of the alloy and to allow it to be worked with more easily, a food additive and a water softener?

Answer 8

Boron

Question 9

What element finds an important application in nuclear reactions?

Answer 9

Boron

Question 10

What element’s prevalent use in balloon technology, along with some changes in government policy in the United States and recently created some panic over a shortage?

Answer 10

Helium

Question 11

What element was used as an effective mood stabilizer in John Cade’s initial experiments with rodents?

Answer 11

Lithium

Question 12

What element is used in batteries that has proven to be extremely popular with consumer?

Answer 12

Lithium