Kirby Elements, Compounds, Mixtures 2023

Front

The smallest part of an element that retains the properties of the element is the

Back

atom

Front

Which is the best example of a pure substance? Options: pizza, gold, saltwater, air

Back

gold

Front

Which substance is a compound? Options: copper, magnesium, saltwater, water

Back

water

Front

What kind of substance is composed of two or more elements that are chemically combined?

Back

compound

Front

How is sodium chloride classified? Options: as an element, as a compound, as a mixture, as a liquid

Back

as a compound

Front

A combination of substances that are not chemically combined is called a

Back

mixture

Front

How are mixtures separated?

Back

Physically separated

Front

Which term best describes air?

Back

mixture

Front

How would brass be classified? Brass is a metal that is bright red and gold. It is formed by physically combining, not chemically, two elements, zinc and copper.

Back

mixture

Front

Which is the best example of a mixture? Options: a brick of pure gold, the distilled water in a bottle, the salt water in the ocean, the helium in a balloon

Back

the salt water in the ocean