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For ai it's atomic number is 13 and it's mass number is 27 how many neutrons does it have

You are making a solution of calcium chloride dissolved in water. you add solid, stir, and it dissolves. you add just a spatula tip full, stir, and the solid does not dissolve. how could you describe the solutions before and after adding the spatula tip amount

What type of radiation is lead emitting in the following equation? alpha particles beta particles gamma rays