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Questions and Answers
What is the origin of the word 'chemistry'?
What is the origin of the word 'chemistry'?
- Modified from the word alchemy during the Renaissance (correct)
- From the Egyptian word Kemet
- Derived from the Arabic word al-kīmīā
- From the Greek word 'kēmeia'
What is the current model of atomic structure in chemistry?
What is the current model of atomic structure in chemistry?
- Plum pudding model
- Quantum mechanical model (correct)
- Rutherford model
- Bohr model
In chemistry, what is a chemical reaction?
In chemistry, what is a chemical reaction?
- A rearrangement of electrons in chemical bonds between atoms (correct)
- A transformation of substances into entirely new elements
- A change in the number of neutrons in an atom's nucleus
- A change in the number of protons in an atom's nucleus
What are chemical substances classified by?
What are chemical substances classified by?
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What is central to the study of chemistry according to the text?
What is central to the study of chemistry according to the text?
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What does chemistry study?
What does chemistry study?
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In which position does chemistry occupy in the scope of its subject?
In which position does chemistry occupy in the scope of its subject?
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What does chemistry explain according to the given text?
What does chemistry explain according to the given text?
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How has chemistry evolved over time?
How has chemistry evolved over time?
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Why is chemistry sometimes called the central science?
Why is chemistry sometimes called the central science?
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