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How many neutrons does element x have if it’s atomic number is 35 and it’s mass number is 77?
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Turbo the snail moves across the ground at a pace of 12 feet per day. if the garden is 48 feet away, how many days will it take for the snail to get there?
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How many neutrons does element x have if it’s atomic number is 35 and it’s mass number is 77?...
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