GK
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Margaret found an unknown object on the ground while walking on the beach. She discovered that it shatters easily, it does not conduct heat or electricity, and is not shiny. What type of object did she find?
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Metal
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Non-metal
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Metalloid
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None of the above
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Explanation:
Detailed explanation-1: -Nonmetals in solid form are brittle and break or shatter when struck. For example, sulfur is a nonmetal that is brittle as it can crumble as a solid.
Detailed explanation-2: -They do not have free electrons.
Detailed explanation-3: -conductors of heat and electricity. If a chunk of solid possesses all these properties then it will be non-metals.
Detailed explanation-4: -Most metalloids have some physical properties of metals and some physical properties of nonmetals. They fall between metals and nonmetals in their ability to conduct heat and electricity. They are shiny like metals but brittle like nonmetals.
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