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omeli [17]
3 years ago
9

Which two electromagnetic waves are useful for diagnosing illnesses?

Chemistry
2 answers:
Zarrin [17]3 years ago
9 0
X-rays and radio waves
Alexeev081 [22]3 years ago
5 0
Gamma rays and x rays
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Does the chemical symbol of the element beryllium correspond to the name of the element?
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Select all the species that are ions.<br><br> HCl<br> NaCl<br> NH4+<br> H2PO4-<br> CCl4<br> H3O+
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NH₄⁺

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  • Neutral molecule has a net charge of zero.

<em>So, the species that are ions are: </em>

NH₄⁺

H₂PO₄⁻

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