2. a) What elements are represented by the following chemical formulas (or element symbol)? Do not write compound names but the elements in the compounds. Which of the following are homoatomic and which are heteroatomic? Which are elements and which are compounds?
i) Au
IIl) SnF2
v) l2
ii) Ca
iv) Pb(CN)2β
Answers: 3
Chemistry, 22.06.2019 11:30
Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.
Answers: 3
2. a) What elements are represented by the following chemical formulas (or element symbol)? Do not w...
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