Atoms have no electric charge because theya. have an equal number of charged and noncharged particles. b. have neutrons in their nuclei. c. have an equal number of electrons and protons. d. have an equal number of neutrons and protons.

Will give brainliest it is a lab from k12 here is the linkfor each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. type your answer here. (score for question 3: of 5 points) were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. type your answer here. (score for question 4: of 5 points) make a general statement about the reactivity of the metals in this experiment. type your answer here.

Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.

What is a metal replacement reaction