Answer:
Hello
The mass number tells us the number (the sum of nucleons) of protons and neutrons in the nucleus of an atom.
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<em>Source: https://socratic.org/questions/what-does-the-mass-number-tell-us</em>
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If I'm not mistaken, it's 1:2. 1 mole of H2 = 2 moles of H. 1 mole of Cl2 = 2 moles of Cl.
Answer:
Fluorine azide or triazadienyl fluoride (FN3) is a yellow green gas composed of nitrogen and fluorine with formula FN3. It is counted as an interhalogen compound, as the azide functional group is termed a pseudohalogen. It resembles ClN3, BrN3, and IN3 in this respect.
Explanation: