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Chemistry, 08.12.2020 09:40 alecnewman2002
If Tins’s mass number is 119 and it’s atomic number is 50, how many neutrons are in the nucleus of an atom of tin?
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Chemistry, 21.06.2019 17:00, debordc17
Two friends at different locations want to communicate with each other by sending low energy signals. which of the following methods can they use to communicate? a) produce x-rays using colliding electrons and send them to radios, which capture sound b) send messages using infrared radiation, which travel in the form of waves c) send radio waves through intervening media like radio and television d) produce sound waves using microwaves from heated objects
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If Tins’s mass number is 119 and it’s atomic number is 50, how many neutrons are in the nucleus of a...
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