wzorowane1 pktzamkniętełatwe (szac.)
Which oxide will react with water to produce the most basic solution? A. Potassium oxide B. Calcium oxide C. Sulfur trioxide D. Nitrogen dioxide
Basic, amphoteric and acidic oxides
Describe the change from basic metal oxides through amphoteric oxides to acidic non-metal oxides across a period, and write equations for the reactions of group 1 and group 2 oxides, carbon dioxide and sulfur dioxide with water.
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wzorowane1 pktotwartełatwe (szac.)
Outline one reason why is considered a pollutant.
wzorowane1 pktzamknięteśrednie (szac.)
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