10 Multiple Choice Questions on First Atomic Theory
1. Who proposed the first scientific atomic theory?
Isaac Newton
John Dalton
Antoine Lavoisier
Dmitri Mendeleev
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2. In what year did Dalton propose his atomic theory?
1803
1799
1811
1820
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3. Dalton’s atomic theory states that atoms of the same element are:
Divisible
Unique in mass
Identical in mass and properties
Non-reactive
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4. According to Dalton, atoms of different elements combine in:
Random ratios
Whole-number ratios
Fractions
Infinite ratios
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5. Which of these principles is NOT part of Dalton’s atomic theory?
Atoms are indivisible
Atoms combine in fixed ratios
Atoms are destructible
Atoms rearrange in reactions
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6. Dalton’s atomic theory was influenced by which law?
Law of Gravity
Law of Multiple Proportions
Law of Conservation of Momentum
Law of Thermodynamics
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7. Dalton proposed that atoms of the same element:
Can transform into atoms of another element
Have different masses
Are identical
Cannot combine
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8. Dalton’s atomic theory contributed to which of the following?
Quantum mechanics
The periodic table
Law of definite proportions
Law of electromagnetism
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9. According to Dalton, atoms in chemical reactions:
Are created
Are destroyed
Are rearranged
Split
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10. Dalton’s atomic theory suggested that compounds are made of:
Mixtures of elements
Randomly combined atoms
Atoms in fixed ratios
Unreactive atoms
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