Elements of the Human Body Quiz

What is the symbol for carbon?

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What are elements that cannot be chemically broken down into simpler substances?

• Compounds

• Molecules

• Mixtures

• Substances

How many different elements are there, including oxygen and carbon?

• Over 150

• Over 100

• Over 200

• Over 50

What is the atomic number of an element based on?

• Number of electrons

• Number of protons

• Number of isotopes

• Number of neutrons

What is the atomic mass of a single carbon atom equal to?

• Number of isotopes

• Number of protons

• Number of electrons

• Number of neutrons

What are atoms of the same element with different numbers of neutrons called?

• Elements

• Molecules

• Compounds

• Isotopes

Tags

NGSS.HS-PS1-8

How many elements are present in the human body?

• Over 50

• Over 20

• Over 30

• Over 40

What percentage of the human body is made up of oxygen, carbon, hydrogen, and nitrogen?

• 98%

• 86%

• 92%

• 96%

How many major elements are considered to be in the human body?

• 11

• 7

• 13

• 9

What are the light blue colored elements in the table of elements on the screen called?

• Major elements

• Trace elements

• Isotopes

• Compounds