Can a physical change actually change what a substance is?

What is the polyatamic ion of thiosulfate

The diagram below shows the different phase transitions that occur in matter. which arrow represents the transition in which dew is formed?

In a ni-cd battery, a fully charged cell is composed of nickelic hydroxide. nickel is an element that has multiple oxidation states. assume the following proportions of the states: nickel charge proportions found 0 0.17 +2 0.3 +3 0.33 +4 0.5 (a) determine the mean of the nickel charge. enter the answer to 2 decimal places.(b) determine the cumulative distribution function of nickel charge.