Zadania z chemii IB SL

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Filtry i umiejętności1

What is the charge of the monatomic ion usually formed by the element with the following electron configuration? $\ce{[Ne] 3s^2 3p^4}$

A. 2+ B. 2− C. 4+ D. 6+

Which row shows the correct formula of aluminium sulfide and the electron configuration of each species in it? A. $\ce{Al3S2}$ ; Al species [Ne]; S species [Ar] B. $\ce{Al2S3}$ ; Al species [Ne] $3s^2\,3p^1$ ; S species [Ne] $3s^2\,3p^4$ C. $\ce{Al2S3}$ ; Al…

What is the formula of the compound formed between aluminium ions and sulfate ions? A. $\ce{AlSO4}$ B. $\ce{Al2(SO4)3}$ C. $\ce{Al(SO4)3}$ D. $\ce{Al3(SO4)2}$