a core of protons and neutrons surrounds by electrons
Answer:
i can't read it.. maybe upload a visible picture?
<span>40 20Ca this is the appropriate symbol for an isotope of calcium-42 corresponding to the isotope notation AZX</span><span />
Answer:
The correct answer is Sugar has a greater solubility than sand.
Sugar will easily dissolve in water because it has a lower density than sand, therefore it has a greater solubility.
It is Vitamin D, hope that helps