Classifying Matter Test Review Flashcards

Front

In a _______ mixture, the ingredients are distributed evenly throughout the mixture, while in a _______ mixture, the ingredients are unevenly distributed throughout.

Back

homogeneous; heterogeneous

Front

What defines the mixture of lettuce, tomatoes, and cucumbers in a salad?

Back

It can be broken down into its basic substances through physical means.

Front

What is the smallest particle of an element that still has the same chemical properties?

Back

atom

Front

Nora is in a pharmacy lab where she crushes several chemicals, combines them as powders, and presses the powders together to make a solid tablet. The tablet is a/an _______________.

Back

mixture

Front

What term best describes carbon dioxide when it is formed by two oxygen atoms chemically combining with a carbon atom?

Back

compound

Front

What kind of substance is labeled with the chemical symbol H?

Back

Hydrogen is an element made of only one kind of atom.

Front

Nora is learning about different substances in her kitchen. She finds a container of pure carbon (C) and a bottle of pure hydrogen (H) gas. Each is made of only one type of atom; carbon atoms are different from hydrogen atoms. Nora then reads that carbon and hydrogen can chemically combine to form methane (CH4), which is used as a fuel. Based on this information, classify carbon, hydrogen, and methane.

Back

carbon and hydrogen are elements and methane is a compound.

Front

Anika mixes salt into a glass of water and stirs until the salt dissolves completely. Which diagram best represents the particle arrangement in this homogeneous mixture? Options: W, X, Y, Z

Back

W

Front

Which of the following substances is a compound? Options: hydrogen sulfide gas (H₂S), solid bronze (an alloy of copper and tin), a salt water solution, solid iron metal (Fe)

Back

hydrogen sulfide gas (H₂S)

Front

Which dish is an example of a heterogeneous mixture?

Back

vegetable soup