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Questions and Answers
Why can't elements be broken down into simpler substances?
Why can't elements be broken down into simpler substances?
- Elements are too small to be broken down
- Elements are not stable enough to be broken down
- Elements are made of only one type of atom (correct)
- Elements are a mixture of different substances
What is the fundamental reason for the inability to break down elements into simpler substances?
What is the fundamental reason for the inability to break down elements into simpler substances?
- Atomic structure of elements (correct)
- Temperature resistance of elements
- Chemical reactivity of elements
- Physical hardness of elements
What characteristic of elements contributes to their indivisibility into simpler substances?
What characteristic of elements contributes to their indivisibility into simpler substances?
- Variable atomic size
- Homogeneous composition (correct)
- High density
- Complex molecular structure
What can a chemical change do, that a physical change can’t?
What can a chemical change do, that a physical change can’t?
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What is a unique characteristic of a chemical change?
What is a unique characteristic of a chemical change?
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In a chemical change, what happens to the chemical composition of a substance?
In a chemical change, what happens to the chemical composition of a substance?
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