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According to John Dalton's Atomic theory, atoms of different elements could be distinguished by differences in their:
According to John Dalton's Atomic theory, atoms of different elements could be distinguished by differences in their:
- Weight (correct)
- Density and color
- Size and shape
- Temperature and pressure
Which Greek philosopher named the smallest piece of matter 'ATOMOS', meaning 'not to be cut'?
Which Greek philosopher named the smallest piece of matter 'ATOMOS', meaning 'not to be cut'?
- Plato
- Democritus (correct)
- Aristotle
- Socrates
Who proposed the first recorded evidence that atoms existed?
Who proposed the first recorded evidence that atoms existed?
- Democritus
- John Dalton (correct)
- J.J. Thomson
- Rutherford
What did Democritus believe about atoms?
What did Democritus believe about atoms?
Which scientist proposed the concept of 'atomic number' and 'mass number'?
Which scientist proposed the concept of 'atomic number' and 'mass number'?
Which scientist proposed the idea that atoms were small, hard particles all made of the same material but with different shapes and sizes?
Which scientist proposed the idea that atoms were small, hard particles all made of the same material but with different shapes and sizes?
Who proposed the Atomic theory of matter based on experimental observations and rationalized the various laws of chemical combination?
Who proposed the Atomic theory of matter based on experimental observations and rationalized the various laws of chemical combination?
According to Dalton's Atomic theory, what distinguishes the atoms of different elements?
According to Dalton's Atomic theory, what distinguishes the atoms of different elements?
Who proposed the concept of 'atomic number' and 'mass number'?
Who proposed the concept of 'atomic number' and 'mass number'?
Which scientist conducted experiments leading to the discovery of subatomic particles within the atom?
Which scientist conducted experiments leading to the discovery of subatomic particles within the atom?
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