Elements vs. Compounds vs. Mixtures Notes

Multiple Choice

The human body is made up of about 60% water. Is Sodium safe to eat on its own based on what you observed in the video?

• Yes

• No

Multiple Choice

Chlorine is typically used as a disinfectant to clean surfaces. Do you think chlorine is safe to eat on its own?

• Yes

• No

Multiple Choice

Although Sodium and Chlorine are not safe to eat on their own, is Sodium and Chlorine safe to eat when they are combined together to form table salt?

• Yes

• No

Multiple Choice

True or False: Compounds can be made up of two atoms of the same element.

• True

• False

Dropdown

The Chemical Symbol for Hydrogen is ​

Select answer

and the Chemical Symbol for Oxygen is ​

Select answer

.

Hotspot

In the image provided, choose which part of the Chemical Equation for water represents a subscript.

Multiple Choice

Ozone's Chemical Formula is O₃. What element is Ozone made of?

• Nitrogen

• Oxygen

• Orgon

• Ozone

Multiple Choice

Ozone's Chemical Formula is O₃. According to the Chemical Formula, how many atoms of oxygen are in a compound of Ozone?

• 1

• 2

• 3

• 4

Multiple Choice

The Chemical Formula for Glucose is C₆H₁₂O₆. How many atoms of carbon are in a compound of glucose?

• 2

• 4

• 6

• 12

Multiple Choice

The Chemical Formula for Glucose is C₆H₁₂O₆. How many atoms of hydrogen are in a compound of glucose?

• 2

• 4

• 6

• 12

Categorize

Options (7)

H

O

Fe

H₂

H₂O

NaCl

HCl

Determine if the following options represent an element or a compound. Sort each option into the correct category.

Element

Compound