Multiple Choice
Which of the following is a representative element that is not diatomic in the 4th period that is a metalloid?
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5. Molecules and Compounds
Periodic Table: Elemental Forms (Simplified)
Multiple Choice
Graphite and diamond are two allotropes of the same element. Which element are graphite and diamond made of?
A
Silicon (Si)
B
Chlorine (Cl)
C
Calcium (Ca)
D
Carbon (C)
Verified step by step guidance1
Understand the term 'allotropes': Allotropes are different structural forms of the same element, where atoms are bonded together in different ways, resulting in distinct physical properties.
Identify the element common to both graphite and diamond: Both graphite and diamond are well-known allotropes of the element carbon.
Recall the properties of carbon allotropes: Carbon atoms can form different structures such as graphite, where atoms are arranged in layers, and diamond, where atoms form a rigid three-dimensional network.
Eliminate other options: Silicon (Si), Chlorine (Cl), and Calcium (Ca) do not form allotropes like graphite and diamond do.
Conclude that the element making up both graphite and diamond is carbon (C).
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