Where’s the picture with the building blocks, I need more information to help you
Answer:
I don't know that anwser sorry
A substance's molar mass is calculated by multiplying its relative atomic mass by the molar mass constant (1 g/mol). ... By multiplying a given mass by the molar mass, the amount of moles of the substance can be calculated.
The answer would be D carbon dioxide
Alpha particles are relatively heave and can be stopped by a sheet of paper.