List the following bonds in order of increasing polarity
A) N-O < N-N < N-F < H-F
B) N-N < N-O < N-F < H-F
C) H-F < N-F < N-O < N-N
D) N-N < N-O < H-F < N-F
Answer: B
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The space time diagram in figure R2.12 shows the world lines of various objects. Which world line cannot possibly be correct? (Explain why.)
A. A
B. B
C. C
D. D
E. E
If a reaction involving hadrons were written at the quark level as , what is the quark composition of the unknown last particle?
A. udd
B. 
C. uds
D. 
E. More information is needed.
The branch of astronomy that studies the structure and evolution of the entire universe is called ______________
Fill in the blank(s) with correct word
The metric system is preferred over the British system in science for the following main reason
A) The metric system is more precise than the British system. B) Metric quantities can be defined more accurately than the quantities in the British system. C) Metric quantities are natural whereas British quantities are invented. D) Conversions between metric quantities are especially easy because they are all related by factors of ten.