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Ca has 20 protons, so neutral it would have 20 electrons, but according to the charge, 2 electrons have been lost.
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Answer:
decay chain refers to a series of radioactive decays of different radioactive decay products as a sequential series of transformations.
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Answer:
number three is ghe real answer
The small particles of rock or the remains of living things that make up sedimentary rocks are called cement<span>.</span>
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Flora refers to plant life, while fauna refers to animals!
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