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The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true
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Chemistry, 22.06.2019 14:30
The valence of aluminum is +3, and the valence of the chlorine is -1. the formula fir the aluminum chloride is correctly written as
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Chemistry, 22.06.2019 15:00
20 pts ‼️ an unmanned spacecraft travels to mars. mars has a lower strength of gravity than earth. where in the image is the spacecraft’s weight the greatest?
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C. The spots of solutions and dyes on the starting line should be small
Give the reason...
Give the reason...
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