객관식
3. Sodium (Na) is found in which period of the periodic table?
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2. Atoms & Elements
Periodic Table: Element Symbols
Multiple Choice
Which type of element is chlorine (symbol Cl) classified as on the periodic table?
A
Metal
B
Nonmetal
C
Noble gas
D
Metalloid
검증된 단계별 안내1
Recall the general classification of elements on the periodic table: metals, nonmetals, metalloids, and noble gases.
Locate chlorine (Cl) on the periodic table. It is found in group 17, which is known as the halogen group.
Understand that halogens are a group of nonmetal elements characterized by high electronegativity and reactivity.
Recognize that noble gases are in group 18 and are inert gases, which chlorine is not part of.
Conclude that since chlorine is a halogen and shares properties typical of nonmetals, it is classified as a nonmetal.
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