Chapter 2 The Chemistry of Biology

Chapter 02 - The Chemistry of Biology




Chapter 02

The Chemistry of Biology


Multiple Choice Questions


1. Anything that occupies space and has mass is called
A. Atomic
B. Living
C. Matter
D. Energy
E. Space



2. The electrons of an atom are
A. Always equal to the number of neutrons in an atom
B. Found in the nucleus
C. Used to determine atomic number
D. Positively charged
E. Moving in pathways called orbitals



3. The electrons of an atom are
A. Always equal to the number of protons
B. Used to determine the atomic weight
C. Carrying a positive charge
D. Used to determine the atomic number
E. Always in full orbitals



4. All of the following pertain to the atom carbon­14 except
A. Has 6 protons
B. Has 6 electrons
C. Has 14 neutrons
D. Is an isotope of carbon
E. All of the choices pertain to carbon­14




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,Chapter 02 - The Chemistry of Biology




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, Chapter 02 - The Chemistry of Biology




5. The subatomic particles that surround the nucleus are the
A. Electrons
B. Protons
C. Neutrons
D. Protons and neutrons
E. Protons and electrons



6. Isotopes are atoms of the same element that differ in their
A. Neutron number
B. Electron number
C. Proton number
D. Atomic number
E. Chemical properties



7. What is the maximum number of electrons in the second energy shell of an atom?
A. 2
B. 4
C. 8
D. 18
E. 32



8. What is the maximum number of electrons in the first energy shell of an atom?
A. 2
B. 4
C. 8
D. 18
E. 32




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