Answer:
Solubility
Explanation:
Solubility is the only thing that you can hold in your hands and touch (you can't hold reactivity or flammability). Physical = you can touch and hold it
Check the picture, I balanced the ions with greater charges first, then I balanced the water last
Answer:
²³⁵₉₂U
Explanation:
The nuclear symbol of the nuclei is ²³⁵₉₂U.
The uranium nuclei has;
mass number = 235
atomic number = 92
To write the structure of the atom;
The subscript before the symbol of the atom is the atomic number
The superscript is the mass number
So;
²³⁵₉₂U is the symbol of the nuclei.
I think it is B because you didn’t type the options
Oxygen is a chemical element with symbol O and atomic number 8. Classified as a nonmetal, Oxygen is a gas at room temperature.