Essential Chemistry for IGCSE - Metals And Reactivity (Section 3 - No. 30)
Which of the following factors affects the thermal stability of metal carbonates?
The size of the metal ion.
The charge on the metal ion.
The electronegativity of the metal.
The atomic number of the metal.
Explanation
Thermal stability is related to the size of the metal ion; the larger the ion, the more stable the carbonate.
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