11. Which of the following shows correctly an ion pair and the correct formula for the ionic compound the two ions form?
50%
Cult, 02-; Cuo
Snº+, N3-; Sn Ng
Cr3+, r; Chi
O Fe3+, 02-; Fe₂O₃
Descriptio
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The first element on the periodic table of elements is carbon. a. true b. false

Solutions of sodium carbonate and silver nitrate react to form solid silver carbonate and a solution of sodium nitrate. a solution containing 3.50 g of sodium carbonate is mixed with one containing 5.00 g of silver nitrate. how many grams of sodium carbonate, silver nitrate, silver carbonate, and sodium nitrate are present after the reaction is complete?

An atom of which element reacts with an atom of hydrogen to form a bond with the greatest degree of polarity ?