Particle A has very little mass in comparison to Particle B. Both particles are in the same atom. Which is the best conclusion
about Particles A and B?
O They have opposite charges.
O They are located in the nucleus together.
O Particle A has a negative charge, and Particle B is neutral.
O Particle A orbits the nucleus, and Particle B is located in the nucleus
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An isotope undergoes radioactive decay by emitting radiation that has a –1 charge. what other characteristic does the radiation have?

Both speed and velocity measure how fast something is moving. however, since speed is not a it does not require a(n question 6 options: a) quantity , unit b) magnitude, unit c) scalar, direction d) vector, direction

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