Which of these technology tools would best a family reduce the spread of germs and bacteria at home?

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.

How many molecules are found in 1.32 mol of nacl?

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.