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Which of the following statement is true for elements?
- a)They are pure substances.
- b)They cannot be broken down into simpler substances.
- c)They are classified into metals, non metals and metalloids
- d)All of the above
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
Which of the following statement is true for elements?a)They are pure ...
Pure Substances:
Elements are pure substances because they are made up of only one type of atom. They cannot be broken down into simpler substances through chemical means.
Cannot be broken down:
Elements cannot be broken down into simpler substances because they are already in their simplest form. Each element is made up of only one type of atom, and atoms are the fundamental building blocks of matter. For example, gold is an element and consists of only gold atoms. These gold atoms cannot be broken down into any other substance.
Classification into metals, nonmetals, and metalloids:
Elements are classified into three main categories: metals, nonmetals, and metalloids. This classification is based on the physical and chemical properties of the elements.
- Metals: Metals are elements that generally have shiny luster, are good conductors of heat and electricity, and are malleable and ductile. Examples of metals include iron, copper, and aluminum.
- Nonmetals: Nonmetals are elements that lack the typical characteristics of metals. They are generally brittle, poor conductors of heat and electricity, and have dull appearances. Examples of nonmetals include oxygen, sulfur, and carbon.
- Metalloids: Metalloids are elements that have properties intermediate between metals and nonmetals. They exhibit some characteristics of metals and some of nonmetals. Examples of metalloids include silicon, arsenic, and germanium.
Conclusion:
All of the statements (a, b, and c) are true for elements. Elements are pure substances, they cannot be broken down into simpler substances, and they are classified into metals, nonmetals, and metalloids based on their properties.
Elements are pure substances because they are made up of only one type of atom. They cannot be broken down into simpler substances through chemical means.
Cannot be broken down:
Elements cannot be broken down into simpler substances because they are already in their simplest form. Each element is made up of only one type of atom, and atoms are the fundamental building blocks of matter. For example, gold is an element and consists of only gold atoms. These gold atoms cannot be broken down into any other substance.
Classification into metals, nonmetals, and metalloids:
Elements are classified into three main categories: metals, nonmetals, and metalloids. This classification is based on the physical and chemical properties of the elements.
- Metals: Metals are elements that generally have shiny luster, are good conductors of heat and electricity, and are malleable and ductile. Examples of metals include iron, copper, and aluminum.
- Nonmetals: Nonmetals are elements that lack the typical characteristics of metals. They are generally brittle, poor conductors of heat and electricity, and have dull appearances. Examples of nonmetals include oxygen, sulfur, and carbon.
- Metalloids: Metalloids are elements that have properties intermediate between metals and nonmetals. They exhibit some characteristics of metals and some of nonmetals. Examples of metalloids include silicon, arsenic, and germanium.
Conclusion:
All of the statements (a, b, and c) are true for elements. Elements are pure substances, they cannot be broken down into simpler substances, and they are classified into metals, nonmetals, and metalloids based on their properties.
Community Answer
Which of the following statement is true for elements?a)They are pure ...
Correct answer is option 'D' because all of the options are characteristics of elements, so all are correct.
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Which of the following statement is true for elements?a)They are pure substances.b)They cannot be broken down into simpler substances.c)They are classified into metals, non metals and metalloidsd)All of the aboveCorrect answer is option 'D'. Can you explain this answer?
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