Isotopes of elements have same atomic numbers and different mass number(atomic masses).
Density = mass/volume
From this equation we can also say:
Volume = mass/density
V = 2500.0g/10.5g/cm3
V = 238 cm3
I believe it was John Newlands.
Hope that helped
The answer is A. Solids only
The answer is 27 grams. Hope it helps
