Zadania z chemii IB SL

Znalezionych zadań: 12

Filtry i umiejętności1

The first ionization energies of four elements with consecutive atomic numbers, A, B, C and D, are shown. An element X reacts with oxygen to form an acidic oxide. Which element could be X? A. A B. B C. C D. D

Lithium can be identified in the light emitted by stars and by flames containing lithium compounds. (i) Outline the appearance of the emission spectrum of lithium. The emission spectrum of a one-electron species, such as the $\ce{Li^2+}$ ion, can be explained…