A student in your class has decided to dissolve epsom salts in water and observe the crystals that are left behind after the water evaporates. Is this an example of a chemical change and reaction? Use evidence and scientific reasoning to support your claim

i think so it’s will be b yes i believe its

the correct option is c.

isotopes refers to different forms of the same element with the same atomic number but different mass number as a result of difference in their neutron numbers. isotopes have different relative atomic mass but share the same chemical properties.

while cooking a piece of 1/2 pound beef steak, a cast iron pan (2.4kg in weight) was heated 260 celsius.