Which missing item would complete this alpha decay reaction?
21CF-247 Cm +

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins

What is the atomic number of an atom that has 6 protons

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