Ductility is a property of...

Which of the following usually appear dull?

Which of the following are usually shiny and have a high luster?

Which of the following are usually brittle, meaning they break easily when hit or bent?

Which of the following are good conductors of heat and electricity?

The Statue of Liberty in NYC is made of copper. It used to be a golden orange color, and now it is green. This is because of a process called...

The element Cobalt (Co, #27) would be classified as a

The element Krypton (Kr, #36) would be classified as a

The element Calcium (Ca, #20) would be classified as a

The element Silicon (Si, #14) would be classified as a

The element Helium (He, #2) would be classified as a

Stainless steel is a metal that is often used to make silverware, kitchen appliances, surgical tools, and many other things. It is not on the periodic table and therefore is not an element. Stainless steel is a(n)

Which of the following are characteristics of alloys? Choose all of the correct answers before clicking submit.

An unknown element is shiny, conducts electricity, and snaps in half when gripped with pliers. It is a

An unknown element is shiny, conducts electricity, and flattens when you hit it with a hammer. It is a

An unknown element is dull in appearance and breaks when it falls off the table. It is a