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Please show me some working to understand how to derive the answers.
Which is an f-block element? A. SC B. Sm C. Sn D. Sr 9. [1 mark] What are typical characteristics of metals? Ionization energ
D. Nas B. Energy sub-levels occupied C. Orbitals occupied D. Valence electrons 11. [1 mark] How do the following properties c
B. SO, and CO: A C. H:0 and NHS B. 2367460 1367 683.5X45.0 650 D. Ccle and SiH 1367466 D 16. [1 mark] What is the enthalpy ch
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