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Chemistry, 21.06.2019 17:00
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
Answers: 2
Chemistry, 22.06.2019 07:30
Compare and contrast the bohr model and the electron cloud models of the atom.
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Chemistry, 22.06.2019 16:30
Explain in detail of the four major scientific developments that spurred the formulation of the plate tectonics theory
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10
PE: Heading down a group or family on the periodic table, we expect the radius of the atoms to i...
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