Hi, I think #2 and #3 are emphatic. The first is more general, that is, it could be used in most contexts, in general. Also, reading #2 and #3, I think more of a specific table, the table , rather than a general one, a table.
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CalifJim
-- Is there a table in the kitchen?
-- No. There isn't. There isn't a table in the kitchen.
-- How many tables are in the kitchen?
-- There is no table in the kitchen. / There isn't any table in the kitchen.
-- Put this box on the table in the kitchen.