CLASSIFICATION OF MATTER

Which of the following is NOT an element?

• sodium chloride

• antimony

• helium

• manganese

What is the basic unit of a compound?

What is the most abundant element in the atmosphere?

• oxygen

• hydrogen

• nitrogen

• carbon

Which element makes up 18.6% of our body mass?

• hydrogen

• nitrogen

• carbon

• oxygen

A substance with two or more elements that are combined in a fixed proportion

• colloid
• compound
• element
• solution

Tags

NGSS.MS-PS1-1

What is the smallest and basic unit of matter?

65% of your body mass is made up of which of these element?

• carbon

• hydrogen

• calcium

• oxygen

What is the common name of sucrose?

Which of these elements is found in blood's hemoglobin that carries oxygen?

• sulfur

• magnesium

• phosphorus

• iron

What is the most abundant element in the universe?