B. 2.21 x 10-18 j
C. 7.36 x 10-27
D. 1.988 x 10-49 J
Answer:
B
Explanation:
From the given formukar for energy of a photon, we can obtain the energy of the photon as shown in the image. The meaning of the parameters in the equation are also shown in the image.
Answer: 2.21 x 10^-18 j
Explanation: a pex
A. 17
B. 12
C. 15
D. 11
apexs anwers is B.12
Answer:
Answer:
12
Explanation:
find the median:
19
find median of 10, 11, 12, 15, 17
median: 12
a base
a pH scale
all of the above