What is the usual charge on an ion formed from an atom that originally had seven valence electrons?
2 answers:
It Negitive Boi
#Useingthememes
Negative because it'll have to gain an electron
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this dosen't make sense
Answer:co2
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Answer:
The answer is "
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Explanation:
Given:
Molarity= number of moles
because it is 1 Liter

therefore,
it takes 20 mL of Tris.


So, take 
Answer:0.233333333
Explanation: Let me be!
163 lb * 1 kg / 2.205 lb * 15.0 mg/kg = 1108.8 mg or about 1.11 g