Which type of electromagnetic radiation has a lower frequency than infared radiation

Chemistry

1 answer:

eduard3 years ago

8 0

Radio waves have the lowest energies, longest wavelengths, and lowest frequencies of any type of EM radiation.

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Explanation:

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Read 2 more answers

238,2U --> 234Th +<br> 90

stiv31 [10]

Answer:

$\\_{2}^{4} \alpha$

Explanation:

In this question, we wish to find the missing nuclei for the equation:

$\\_{92}^{238} U\rightarrow _{90}^{234} Th + _{Z}^{A} X$

In order to find the missing species, we need to use the charge and mass balance law. That is, the mass should be conserved: the total mass on the left-hand side with respect to the arrow should be equal to the total mass on the right-hand side with respect to the arrow:

$238 = 234 + A$