Valence Electron is the outermost electrons, family(Alkali) 1 has 1 valence electrons and family(Alkaline) 2 has 2 valence electrons.
Hope this helps
Answer:
Explanation:
Because the experiment has an different independent and dependent variable and each part has a different result of what type of copper or what type of control you are using for you experiment.
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2.91 mol Al * ( 26.982 g Al / 1 mol Al) = 78.518 grams
No, they do not. Hope I helped! :)
