Flashcardizz: Elements and Compounds

Front

What is a compound?

Back

A compound is a substance composed of at least two different elements that are chemically bonded together.

Tags

NGSS.MS-PS1-1

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 (H) and gold (Au).

Front

Is the statement 'A compound consists of two or more elements bound together' true or false?

Back

True

Tags

NGSS.MS-PS1-1

Front

What is the chemical formula for salt?

Back

The chemical formula for salt is NaCl.

Front

Which of the following represents an element: H2O, H2, NaCl, CaCO3?

Back

H2 represents an element.

Tags

NGSS.MS-PS1-1

Front

What is the difference between a mixture and a compound?

Back

A mixture is a combination of two or more substances that are not chemically bonded, while a compound consists of two or more elements that are chemically bonded.

Front

Can a compound be broken down into simpler substances?

Back

Yes, compounds can be broken down into their constituent elements through chemical reactions.

Tags

NGSS.MS-PS1-2

Front

What is the chemical symbol for gold?

Back

The chemical symbol for gold is Au.

Front

What are the two main categories of substances in chemistry?

Back

The two main categories are elements and compounds.

Front

Is NaCl a compound or an element?

Back

NaCl is a compound.

Tags

NGSS.MS-PS1-1