single replacement :)
one element replaces one element
One element takes the place of another in a compound.
element, compound
single-replacement reaction
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When a compound is mixed with an element. KCl is more than one element put together, thus it is a compound. Sodium (Na) is an element, so if you combine the two, it is a single replacement reaction.
an element and a compound
A single replacement reaction involve the replacement of an element with other in the molecule as in this model:A + B-C = A-C + B.
In a single-replacment reaction, atoms of an element replace atoms of another element in a compound. In a double-replacement reaction, two positive ions trade places between different ionic compounds.
This is a single replacement, or single displacement reaction.
A reaction when a free element or ion takes the place of and element or ion in a compound is called a single replacement reaction