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ATOMIC STRUCTURE
Question #25250
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How many photons of light with a wavelength of 4000 pm provide 1 J of energy?
A. 2.01 × 10¹⁸
B. 2.01 × 10¹⁷
C. 2.01 × 10¹⁶
D. 2.01 × 10¹⁵
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