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Definition of Sets

5. Find the s...

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5. Find the sum of all natural numbers less than 1000 and which are divisible by neither 5 nor 2. (1) a proton and a neutron (2) a proton and deuterium (3) deuterium and an alpha particle (4) an electron and gamma rays

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_{7}^{14} N

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_{3}^{7} L i

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Q. A proton and a neutron combine to give a deuterium nucleus.If

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Deuterium and tritium have the same number of protons and a different number of neutrons in each atom.

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