What is a valency
what is a valency
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(☞^o^) ☞ Here's your answer Valency also spelled valency, in chemistry, the property of an element that determines the number of other atoms with which an atom of the element can combine. Introduced in 1868, the term is used to express both the power of combination of an element in general and the numerical value of the power of combination.

Olá. porque a reação na temperatura é muito rapida a do copo : )

B? i feel like this is a trick