Chemistry, 24.01.2020 08:31 maddiem5027
2points
what is the frequency of an electromagnetic wave with energy of 5.0 x 10-20
j?
o
a. 7.55 x 1013 hz
b. 5.22 x 105 hz
c. 3.98 x 10-6 hz
d. 1.67 * 10-28 hz
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Answers: 2
Chemistry, 22.06.2019 07:30
The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.
Answers: 3
Chemistry, 23.06.2019 09:30
The mass of a proton is approximately equal to the mass of
Answers: 1
2points
what is the frequency of an electromagnetic wave with energy of 5.0 x 10-20
j? <...
what is the frequency of an electromagnetic wave with energy of 5.0 x 10-20
j? <...
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