Term 1 Test 2

Front

What are elements that are shiny, conduct electricity and heat called?

Back

Metals

Front

What type of reactions usually feel hot?

Back

Exothermic reactions

Front

What is silicon, which has a dull, metallic luster, conducts heat well, and is brittle?

Back

Metalloid

Front

What is water, made up of hydrogen and oxygen, classified as?

Back

Compound

Front

Is the air around us a mixture of gases?

Back

True

Front

What is the term for a substance made of only one type of atom?

Back

Element

Front

What do we call a chemical reaction that absorbs heat?

Back

Endothermic reaction

Front

What is the smallest unit of a chemical element?

Back

Atom

Front

What is a combination of two or more substances that are not chemically bonded?

Back

Mixture

Front

What is the term for the ability of a substance to conduct electricity?

Back

Electrical conductivity