Why are the elements fluorine (F), chlorine (Cl), and bromine (Br) all found in the same group within the periodic table? A) They all exist as gases at 20°C). B) They all react with the noble gases. C) They have the same chemical properties. D) They are all non-metals that form 1 + ions.

Question

Mareli Duran

Chemistry

11 October, 16:15

Why are the elements fluorine (F), chlorine (Cl), and bromine (Br) all found in the same group within the periodic table? A) They all exist as gases at 20°C). B) They all react with the noble gases. C) They have the same chemical properties. D) They are all non-metals that form 1 + ions.

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Answers (2)

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Holly Hanson · Answer 1

Holly Hanson 11 October, 16:16

0

A they all exist as gases at 20c

Deacon · Answer 2

Fluorine, Chlorine, Bromine, Iodine and Astatine are representing the family of elements called : halogens.

Halogens:

- all have 7 electrons in their outer shell,

- are very reactive elements,

- form - 1 ions.

Answer: C) They have same chemical properties.