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kittykat8317
26.01.2020 •
Chemistry
24 which compound is classified as a hydrocarbon? (1) butanal (3) 2-butanol
(2) butyne (4) 2-butanone
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Ответ:
The tendency of an element to react is closely related to the number of valence electrons in atoms of the element (answer C).
Explanation
Valence electrons are outer shell electrons of an atom.They govern the bonding behavior of an element.
when element react to form compound, valence electron are involved.
Valence electrons are involved in a reaction either by sharing among atoms or may be transferred from one atom to another.
For example in formation of NaCl bond there is transfer of valence electron between Na and Cl. Na donate 1 valence electron while Cl accept 1 electron to form NaCl