Answer:
6. protons, mass number from the atomic number
7. Li= ,
Answer:
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The element bromine is not a reddish-brown liquid. Liquid is the substance bromine.
M=DV
M=3.103 g/mL * 19.8 mL = 61.44 g
Answer: CO2x+O4H I don’t know if this is the right answer
Answer:
mass/13of molecules .........