Elements Compounds Mixture

A substance made up of two or more chemically combined elements is —

• an element

• mixture

• compound

• solution

NaHCO₃ is an example of —

• an abbreviation

• a compound

• a mixture

• an element

Tags

NGSS.MS-PS1-1

Table salt, or sodium chloride has the chemical formula NaCl. How is sodium chloride classified?

• as an element

• . as a compound

• as a mixture

• as a liquid

Tags

NGSS.MS-PS1-1

Brass is a metal that is bright red and gold. It is formed by combining, not chemically, two elements, zinc and copper. Based on the information, how would brass be classified?

• an element

• compound

• mixture

• suspension

Tags

NGSS.MS-PS1-1

This picture represents which of the following?

• A single element

• Mixture of molecules

• mixture of atoms

• mixture of compounds

Tags

NGSS.MS-PS1-1

What does this illustrate

• Elements

• Compunds

• Mixture of Elements and Compunds

• Mixture of Compounds

Tags

NGSS.MS-PS1-1

Which of the following is an element?

• Sugar

• Salt

• Water

• Oxygen

This diagram represents a _____.

• pure substance that is a compound

• mixture of elements

• pure substance that is an element

• mixture of compounds

Tags

NGSS.MS-PS1-1

This diagram represents a _____.

• Element

• Compound

• Mixture of compound and element

• Mixture of two elements

Tags

NGSS.MS-PS1-1

Which compound is best represented by this particle diagram?

• NH₃

• H₂O

• CH₄

• HCl

Tags

NGSS.MS-PS1-1