The model shows the models of protons (+), neutrons (N), and electrons (-) in an atom, along with three different models of these subatomic particles. image

Which of the following identifies the models that represent an ion and an isotope of the original atom?

What do electromagnetic waves carry? how are they produced through which media can they move? where do they transfer energy? what do they not transfer? what do mechanical waves carry? how are they produced? through which media can they move? where do they transfer energy? what do they not transfer?

How many moles of potassium are needed to react completely with 12.8 moles of magnessium bromide?

How many liters of water can be produced from 5.0liters of butane gas at stp, assuming excess oxygen? c4h10(g) + 02(g) → co2 (e) + h2o (g)