Chemistry, 28.10.2020 16:10 alexisbrad3107
Explain why the elements Cobalt and Nickel in the fourth period violate the original periodic law as stated by Mendeleev.
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Chemistry, 22.06.2019 07:00
This image is an example of a(n) a) atom. b) compound. c) mixture. d) molecule.
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Chemistry, 23.06.2019 06:00
If you try to move a piano and are unable to move it, did you perform any work in the scientific sense of the word? yes? or no? this question is worth 20 points! let it be correct!
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Chemistry, 23.06.2019 08:10
Time remaining 58: 10 an atom that has 84 protons and 86 neutrons undergoes a reaction. at the end of the reaction, it has 82 protons and 84 neutrons. what happened to the atom? it accepted radiation in a chemical reaction it donated neutrons to another atom in a chemical reaction it emitted an alpha particle in a nuclear reaction. it accepted protons in a nuclear reaction. mark this and retum save and exit next submit
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Chemistry, 23.06.2019 09:00
How many moles of potassium hydroxide are needed to completely react with 2.94 moles of aluminum sulfate according to the following equation:
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Explain why the elements Cobalt and Nickel in the fourth period violate the original periodic law as...
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