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In terms of reactivity, Potassium(K) is the most reactive element among group 1 elements.

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13y ago
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10y ago

caesium among metals and fluorine among non metals.

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8y ago

These elements are for metals caesium (theoretically francium) and for nonmetals fluorine.

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11y ago

the single element (for A+)

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Q: In a single replacement reaction which element must be most active?
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Related questions

What is a chemical reaction in which an uncombined element replaces an element that is part of a compound?

single replacement :)


When one element takes the place of another element in a reaction?

single-replacement reaction


When one element replaces another element in a compound the reacreaction a reaction?

This is a single replacement, or single displacement reaction.


In a single displacement reaction one element replaces another element in a compound?

A single-displacement reaction, also named single-replacement reaction, is a type of oxidation-reduction chemical reaction when an element or ion moves out of one compound and into another-that is, one element is replaced by another in a compound.


In a single replacement reaction?

one element replaces one element


What is is a define single-replacement reaction.?

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 replacement reaction a displaces an element in a to form the products?

element, compound


What do all single replacement reaction begging with?

an element and a compound


What is the difference of a single replacement and double replacement reaction?

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.


Which single replacement reaction will occur?

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.


What is a single reaction a dublle replacement reaction?

You can identify a single replacement reaction because the reactants are a compound + an element. The products of a single replacement reaction are found by switching the element with another element in the compound. Metals switch with metals, non-metals switch with non-metals, and the most reactive element is always in the compound. A double replacement reaction can be identified because the reactants are always compound +compound. The products would also be two compounds but the elements would switch.


What reaction shows one element taking the place of another in a compound?

A single-replacement reaction