Which group 7 element has the most least for electrons
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Ответ:
Astatine
Explanation:
Astatine has the least attraction for electrons out of all of the halogens because it is the largest of these atoms.
Ответ:
On the periodic table, the halogens are the last but one group (vertical column), right next to the noble gases. The group number is 7 which indicates that halogen atoms contain seven electrons in the outer shell (energy level).
Their chemical formulae are F 2, Cl 2, Br 2 and I 2. The bond between the atoms in a molecule is very strong, but the forces of attraction between molecules are weak. This explains why group 7 elements have low boiling points. ... Astatine is placed below iodine in group 7.
Ответ: