Why are the elements fluorine (F) , chlorine (Cl) , and bromine (Br) all found in the same group within the periodic table? A) T

Question

3 years ago

6

Why are the elements fluorine (F) , chlorine (Cl) , and bromine (Br) all found in the same group within the periodic table? A) T

hey 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.

Chemistry

2 answers:

Sergio039 [100] · Answer 1 · 2021-12-08T12:01:50+03:00

Sergio039 [100]3 years ago

6 0

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.

ANEK [815] · Answer 2 · 2021-12-08T13:41:33+03:00

ANEK [815]3 years ago

5 0

A they all exist as gases at 20c