Which of the following set of symbols represent isotopes of the same element

Structure of the atoms: discovery of the nucleus in 1909i need answering all of these questions

What is the difference between a substance "getting wet" and "being dissolved" in a liquid at the particulate level?

Which of the following compounds would be expected to have the strongest ionic bonds? a)the compound that has b)the largest ions with the greatest charge c)the compound that has d)the largest ions with the least charge the compound that has the smallest ions with the greatest charge the compound that has the smallest ions with the least charge