Answer:
The correct answer is option D) The halogens tend to form 1+ ions.
Step-by-step explanation:
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Let's solve this!
We will analyze each of the options:
A) Anions are usually larger than their corresponding atom: it is correct because when the atom has more electrons, and it is an anion, it increases its size more.
B) Metals tend to form cations: it is correct, because metals tend to yield their electrons by charging positively and therefore, form cations.
C) Atoms are usually larger than their corresponding cation: it is correct since cations are the ions that have lost electrons, thus decreasing their size.
D) The halogens tend to form 1+ ions: it is not correct, since halogens form 1- ions, they form anions, since they are nonmetals.
E) Nonmetals tend to gain electrons: it is correct since nonmetals tend to accept electrons and form anions.
After the analysis we conclude that the correct answer is option D) The halogens tend to form 1+ ions.