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- 1. Multiple Choice
Which of the following are the 4 essential elements that make up 96% of living matter?
H, O, N, P
C, O, N, H
C, O, S, H
O, S, P, N
- 2. Multiple Choice
Which macromolecules contain nitrogen? (Always True, not Sometimes)
Carbohydrates
Lipids
Nucleic Acids
Proteins
- 3. Multiple Choice
Which macromolecule contains phosphorus? (Always true, not Sometimes true)
Carbohydrates
Lipids
Nucleic Acids
Proteins
- 4. Multiple Choice
Which macromolecule contains sulfur?
Carbohydrates
Lipids
Nucleic Acids
Proteins
- 5. Multiple Choice
Which of the following describes an isotope?
same number of neutrons, different number of protons
same number of neutrons, different number of electrons
same number of protons, different number of electrons
same number of protons, different number of neutrons
- 6. Multiple Choice
Which energy level has the highest amount of energy?
first shell (closest the nucleus)
second shell
third shell (farthest from nucleus)
- 7. Multiple Choice
This type of bond results from unequal sharing of electrons
polar covalent bond
nonpolar covalent bond
hydrogen bond
ionic bond
- 8. Multiple Choice
This type of bond results from the gain or loss of electrons.
polar covalent bond
nonpolar covalent bond
hydrogen bond
ionic bond
- 9. Multiple Choice
This type of bond results from an electronegative atom bonded to a hydrogen attracted to another electronegative atom.
polar covalent bond
nonpolar covalent bond
hydrogen bond
ionic bond
- 10. Multiple Choice
This type of bond results from equal sharing of valence electrons.
polar covalent bond
nonpolar covalent bond
hydrogen bond
ionic bond
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