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An unknown element X forms

Sodium, atomic number 11, forms an ionic bond with an atom of an unknown element. What is one possible choice for the other
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An unknown element X forms a compound with bromine: XBr. Predict the chemical formula of the compound that element X makes with
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2. asked by Dan
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When trying to identify an unknown element, a scientist determines what other elements the unknown element reacts with
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4.When trying to identify an unknown element, a scientist determines what other elements the unknown element reacts with
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2. asked by hai
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When trying to identify an unknown element, a scientist determines what other elements the unknown element reacts with
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An unknown element, X, combines with aluminum to form a compound with the formula Al3X2. What would be the most likely formula
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2. asked by Bart
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An unknown element reacts with bromine to give bromide, MBr3. If 2.809g of the unknown element gives 27.765grams of MBr3, what
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2. asked by Smarth
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An unknown element reacts with bromine to give bromide, MBr3. If 2.809g of the unknown element gives 27.765grams of MBr3, what
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2. asked by S-rth
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What makes an isotope of an element?Different forms of an element have the same number of protons but different numbers of
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What is the element that forms a 3+ ion with electron configuration [Ar] 3d^6?I know that [Ar] 3d^6 is Fe, but how can I find an
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2. asked by Ceamus Angelina
3. 2,400 views