A molecule contains 18 atoms and undergoes a physical change. How does the physical change affect the total number of atoms of each element? (2 points)

Select the correct answer. you have a nightlight plugged into an outlet in the hallway, which uses 3.5 watts when plugged in. if the house circuit provides 120.0 volts, what is the current through this bulb?

The big bang nucleosynthesis theory states that elements were produced in the first few minutes of the big bang while elements have their origins in the interiors of stars, forming much later in the history of the universe.

Calculate the mass of silver needed to react with chlorine to produce 126g if silver chloride?