Amplify - Chemical Reactions - Chapter 1 Flashcard

Front

What is a substance?

Back

A substance is a form of matter that has a specific composition and distinct properties.

Front

What are the two main types of substances?

Back

Elements and compounds.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance that cannot be broken down into simpler substances, while a compound is made up of two or more elements chemically combined.

Front

What determines the properties of a substance?

Back

The properties of a substance are determined by the types of atoms it contains and how those atoms are arranged.

Front

What is a physical property?

Back

A physical property is a characteristic of a substance that can be observed or measured without changing its identity.

Front

What is a chemical property?

Back

A chemical property describes a substance's ability to undergo changes that transform it into different substances.

Front

What is the significance of visual observations in identifying substances?

Back

Visual observations can provide initial clues about a substance's properties, but they are not always sufficient for accurate identification.

Front

Why is it important to use precise descriptions when identifying substances?

Back

Precise descriptions help ensure accurate identification and comparison of substances, reducing ambiguity.

Front

What does it mean if two substances have different properties?

Back

It means that they are composed of different types of atoms or have different arrangements of the same atoms.

Front

What is the role of atomic structure in determining substance properties?

Back

The atomic structure, including the type and arrangement of atoms, influences the physical and chemical properties of a substance.