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Which element is the only metalloid with 3 valence electrons?
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2. Atoms & Elements
Periodic Table: Group Names
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The elements in group 17 of the periodic table are called the:
A
halogens
B
transition metals
C
alkali metals
D
noble gases
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Identify the group number mentioned in the problem, which is group 17 of the periodic table.
Recall the naming conventions for groups in the periodic table: group 1 are alkali metals, group 18 are noble gases, and transition metals are found in the d-block (groups 3-12).
Understand that group 17 elements are known for their high reactivity and are called halogens.
Recognize that halogens include elements like fluorine, chlorine, bromine, iodine, and astatine.
Conclude that the correct name for the elements in group 17 is 'halogens'.
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