Introduction to Chemistry of Biology

Which of the following statements is NOT true?

• Life depends on chemistry?

• Living things are composed of chemical compounds

• In order to understand biology, one must first understand the chemistry of life

• Chemistry and Biology are not intertwined.

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NGSS.HS-LS1-7

NGSS.HS-LS2-3

NGSS.HS-LS2-5

Name the 3 subatomic particles of an atom.

• Proteins

• Electrons

• Neutrons

• Protons

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NGSS.MS-PS1-1

Name the 2 subatomic particles have the same mass.

• Protons

• Electrons

• Neutrons

Protons have a ____ charge.

• Positive

• Negative

• No charge

Electrons have a ____ charge.

• Positive

• Negative

• No charge

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NGSS.HS-PS2-4

Neutrons have a ____ charge.

• Positive

• Negative

• No charge

Which statement is false in describing elements?

• Elements are pure substances

• We have less than 100 elements

• 20-24 elements are found in living organisms

• Elements are made of the same type of atom

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NGSS.MS-LS1-1

Which of the following in not a compound?

• H₂O

• O

• CO₂

• NaCl

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NGSS.MS-PS1-1

A compound does not have definite proportions.

• True

• False

Name the two examples of an element found below.

• H₂O

• H₂

• K

• I