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YSGabino6019
07.07.2019 •
Biology
how can you tell from a dot diagram how many covalent bonds can be formed in an element? a: by the number of protons in the dot diagram b: by the number of valence electrons in the dot diagram c: by the number of neutrons in the dot diagram d: you can not tell the number of covalent bonds from a dot diagram.
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Ответ:
the answer is B by the number of valence electrons.
Ответ:
For the first one , the answer is 15 , the equation is 75=2f+2(2f-7.5)
For the Callie question , the answer is 20 , the equation is 110=2f+2(2f-5)
The third answer is 23 and the equation is 144=2(2w+3)+2w
Step-by-step explanation: