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Chemistry, 22.06.2019 00:00
Explain which group an element with the electron configuration 1s2 2s2 2p6 3s2 3p6 3d1 4s2 belongs to.
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Chemistry, 22.06.2019 20:30
Some familiar products contain some of the same types of atoms. for instance, the chemical formula for baking soda is nahco 3. the chemical formula for liquid bleach is naclo, and the chemical formula for table salt is nacl. which choice best describes why these three products have some of the same types of atoms in common?
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Chemistry, 22.06.2019 21:30
Describe at least two advantages and two disadvantages of using hydropower as a source of energy.
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Chemistry, 23.06.2019 04:31
Which of the following is an example of how telecommunication devices people do their jobs? a.) a security guard checks the time using a digital watch. b.) a banker does some quick math using a solar calculator. c.) a nurse uses a digital thermometer to take a patient’s temperature. d.) a construction worker reports in to his office using a cell phone.
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Mathematics, 14.11.2020 22:40
Mathematics, 14.11.2020 22:40
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English, 14.11.2020 22:40
English, 14.11.2020 22:40
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Mathematics, 14.11.2020 22:40