What happens to water during evaporation? a) it turns gas as it cools b) it turns liquid as it cools c) it tuns to solid as temperature decreases d) it turns to gas as the temperature increases

Tin has ten stable isotopes. the heaviest, 124sn, makes up 5.80% of naturally occuring tin atoms. how many atoms of 124sn are present in 82.0 g of naturally occurring tin? what is the total mass of the 124sn atoms in this sample?

The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.

Write and balance the chemical equation that represents the reaction of aqueous sulfuric acid with aqueous sodium hydroxide to form water and sodium sulfate. include phases.