Chemistry, 18.09.2019 14:10 adjjones2011
If an element contains 8 electrons how many electrons will be placed in the 2nd valence shell?
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What’s the scientific notation for the number 6,840,000,000
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Chemistry, 23.06.2019 00:30
Ok, so i have 2 questions. try to answer them both: (the topic is fire) 1) how can you represent the chemical reaction of fire? 2) what kind of bond is formed in this chemical reaction
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Chemistry, 23.06.2019 10:00
The temperature of a lead fishing weight rises from 26 °c to 38 °c as it absorbs 11.3 j of heat. what is the mass of the fishing weight in grams?
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Chemistry, 23.06.2019 13:30
Which of the following is true regarding chemical and nuclear reactions?
Answers: 1
If an element contains 8 electrons how many electrons will be placed in the 2nd valence shell?...
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