Metals, Nonmetals, Elements, Compounds & Mixtures

Front

What is a metalloid?

Back

A metalloid is an element that has properties of both metals and nonmetals. Examples include silicon and germanium.

Front

Which element is a metalloid?

Back

Polonium is classified as a metalloid.

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically bonded and can be separated by physical means.

Front

How can mixtures be separated?

Back

Mixtures can be separated by methods such as filtration, evaporation, and magnetism.

Front

What is a homogeneous mixture?

Back

A homogeneous mixture is a mixture in which the components are evenly distributed and not easily distinguishable, such as sweet tea.

Front

What is a heterogeneous mixture?

Back

A heterogeneous mixture is a mixture where the components are not evenly distributed and can be easily distinguished, such as a salad.

Front

What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means. Examples include hydrogen, oxygen, and gold.

Front

What is a compound?

Back

A compound is a substance formed when two or more elements are chemically bonded together, such as sodium carbonate (Na2CO3).

Front

How many elements are in the compound Na2CO3?

Back

There are 3 different elements in the compound Na2CO3: sodium (Na), carbon (C), and oxygen (O).

Front

What is a metal?

Back

A metal is a type of element that is typically shiny, malleable, ductile, and a good conductor of heat and electricity. Examples include iron and copper.