Which statement correctly compares the wavespeed and energy of the pulses? O A. All of the pulses have the same wavespeed; A has the highest energy.
O B. All of the pulses have the same wavespeed; C has the highest energy.
C. All of the pulses have a different wavespeed; A has the highest energy.
D. All of the pulses have a different wavespeed; C has the highest energy.

Which statement describes covalent bases? they have hydroxide ions. they produce hydrogen ions. they are often amines. they are named the same as ionic compounds.

Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.

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