Explanation:
equations to note:
density= mass/volume
mass= volume *density
volume= mass/density
you have a volume- 8.33cm3
you have a density- 2.07 g/cm3
Answer:
8.33cm3 * 2.07g/cm3= 17.24g
mass= 17.24g
Atomic number equals the number of protons or electrons. Atomic mass equals the number of protons and neutrons
Answer:
that will be endothermic reaction...... as oxides of mercury decomposes and break s into simpler elements by absorbing energy
Explanation:
hope it helped u buddy
Ngl idk but just be a nice person and mark as brainliest please
Johnny should have thrown away the unused chemicals because they still could have mixed with the other chemicals and it could cause a reaction.