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Study the data given below and answer the questions which follow:
Imagine you are a chemist working in a laboratory that specializes in analysing and identifying chemical compounds. One day, a colleague asks for your help to determine the cations and anions present in several compounds they are working with. Analyse the following compounds and identify the cations and anions present (if any): (a) KBr (b) CaCO₃ (c) O₂ (d) MgSO₄
One electron is present in the outer most shell of the atom of an element X. What would be the nature and value of the charge on the ion formed if this electron is removed from the outer most shell?
Write the molecular formulae of all the compounds that can be formed by the combination of following ions Cu²⁺, Na⁺, Fe³⁺, Cl⁻, SO₄²⁻, PO₄³⁻
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