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Questions and Answers
What is the most fundamental unit of matter?
What is the most fundamental unit of matter?
- Atoms (correct)
- Compounds
- Particles
- Molecules
What is the size of an atom?
What is the size of an atom?
- 0.1 to 0.5 micrometers
- 0.1 to 0.5 nanometers (correct)
- 1 to 5 nanometers
- 0.1 to 0.5 centimeters
What is the law that states the elements are present in chemical compounds in a predetermined mass ratio?
What is the law that states the elements are present in chemical compounds in a predetermined mass ratio?
- Law of Constant Acceleration
- Law of Conservation of Energy
- Law of Constant Proportions (correct)
- Law of Multiple Proportions
What are responsible for forming tiny sand particles, gargantuan black holes, and everything in between?
What are responsible for forming tiny sand particles, gargantuan black holes, and everything in between?
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What is the oxygen and hydrogen content in pure water an example of?
What is the oxygen and hydrogen content in pure water an example of?
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