This video tutorial provides a quiz to test understanding of elements, compounds, and mixtures. The instructor presents a series of images, asking viewers to identify each as an element, compound, or mixture. Answers are provided after a pause for self-assessment. Key concepts such as the definition of elements, compounds, and mixtures are reinforced through examples and explanations.

What is the purpose of this quiz?

• To learn about the periodic table

• To understand the properties of gases

• To check your understanding of elements, compounds, and mixtures

• To test your knowledge of chemical reactions

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is a compound?

• A mixture of different elements

• A substance with only one type of atom

• A single element in different forms

• Two or more different types of atoms bonded together

Tags

NGSS.MS-PS1-1

What defines an element?

• A mixture of compounds

• A substance with only one type of atom

• A substance with two or more types of atoms

• A combination of elements and compounds

Which of the following is an example of an element?

• A mixture of different compounds

• A substance with only one type of atom

• A compound with two types of atoms

• A substance with several different elements

What is a mixture?

• A pure substance with identical molecules

• A substance with only one type of atom

• A substance with two or more different types of atoms bonded together

• A substance that contains several different elements and/or compounds

How can you identify a mixture?

• It contains only one type of atom

• It is a pure substance with identical molecules

• It has two or more different types of atoms not bonded together

• It contains only one type of particle

Which of the following is a compound?

• A substance with only one type of atom

• A mixture of different elements

• Two or more different types of atoms bonded together

• A single element in different forms

Tags

NGSS.MS-PS1-1

What is the definition of a pure substance?

• A substance with only one type of atom

• A mixture of different compounds

• A substance with identical molecules

• A combination of elements and compounds

Which of the following is a mixture?

• A substance with two or more different types of atoms bonded together

• A substance with only one type of atom

• A substance that contains several different elements and/or compounds

• A pure substance with identical molecules

What is an element?

• A mixture of different elements

• A single element in different forms

• A substance with only one type of atom

• Two or more different types of atoms bonded together