What is the atomic number of an atom that has fie neutrons and four electrons

Which of the following would have less momentum than a 52 kg cheetah running at 10 m/s?

The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.

8) warming your hands by a fire is an example if which heat transfer? a. conduction b. convection c. radiation d. none of these