An isotope of tin is found to have 74 neutrons. What is the mass number of this isotopes

What is the main reason why some developing countries fear the increase the free trade policies around the world?

Which of the following is the correct definition of chemical energy? a. energy an object has because of its motion or position b. energy resulting from the flow of charged particles, such as electrons or ions c. energy produced from the splitting of atoms d. energy stored in chemical bonds of molecules

Take a look at this dandelion. the yellow flower on the right is pollinated and the seeds on the left are transported by