Indeed they are. The uranium atoms have separate numbers of neutrons in their nuclei, but still have the same number of protons.
The last question depends on the scientific method.
Scientific Method
1. Make an observation of what u are testing 2. Form a question about ur observations. 3. Make a hypothesis 4. Conduct your experiment 5. Record information and results.
The first question depends what you will need to use first for the experiment.
mass (m) = ? , volume = 18.0 ml , density = 1.42 g/ml .
I hope I helped you^_^
What happens to the water in the clouds is that he cloud gets heavy and let’s the rainfall out, aka rain
