StrangerMo
28.11.2019 •
Chemistry
Which of the following is true about halogens? group of answer choices
they have seven valence electrons
they have two valence electrons
they have one valence electron
they have eight valence electrons
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Ответ:
they have one valence electron
Explanation:halogens are in group seven of the periodi table and they have seven electrons in their outermost shell thus need one electron to complete their octet condition. Thus goes into combination to accept one electrons from another element and that is their combining power which is their valency.
Ответ:
Saw this cause i was searching random, and since i have a chameleon i thought id answer and your answer is indeed D. all of them