Physics, 08.10.2019 01:00 GreenHerbz206
Siven an element's atomic number and mass number, how can you tell the number of protons and neutrons in its nucleus?
jumber of protons = atomic number; number of neutrons = mass number - atomic number
number of protons = atomic number; number of neutrons = mass number + atomic number
number of protons = mass number; number of neutrons = atomic number - mass number
Answers: 3
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A26 cm object is 18 cm in front of a plane mirror. a ray of light strikes the object and is reflected off the mirror at a 42-degree angle. what is the angle of reflection? degrees what type of image is formed? what is the size of the image? cm
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Siven an element's atomic number and mass number, how can you tell the number of protons and neutron...
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