What did thomson give to describe his model of the atom? what was correct about this model and what was later changed describe the characteristics, charge, and components of the nucleus of the atom
what are nuclear forces within an atom

Which of the following is true for the actual yield of a reaction? it is always calculated as a ratio. it is the yield from the excess reactant. it is the yield from the limiting reactant. it is always less than the theoretical yield.

The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder

Which ocean zone has the most abundant primary producer and why a) the abyssopelagic zone ,du to the absence of light and cold water temperatureb) the bathypelagic zone, due to the absence of light and cold water temperaturec) the mesopelagic zone ,due to uts high light availability and warm water temperature d) the epipelagic zone,due to its high light availability and warm water temperature