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Questions and Answers
What type of change is the formation of Cl2 gas when muriatic acid is mixed with bleach powder?
What type of change is the formation of Cl2 gas when muriatic acid is mixed with bleach powder?
- Chemical change (correct)
- Phase change
- Physical change
- Nuclear change
Which process involves a chemical change?
Which process involves a chemical change?
- Mixing muriatic acid with bleach powder (correct)
- Conversion of dry ice to smoke
- Fermentation of milk to make yogurt
- Recharging a lithium-ion battery
In Rutherford's model of the atom, where is nearly all of the atom's mass located?
In Rutherford's model of the atom, where is nearly all of the atom's mass located?
- Spread evenly throughout the atom
- In the electron cloud
- In the empty space within the atom
- In the nucleus (correct)
What determines the actual volume of an atom according to Rutherford's model?
What determines the actual volume of an atom according to Rutherford's model?
How was the wave nature of light proven?
How was the wave nature of light proven?
Which one of these processes involves a physical change?
Which one of these processes involves a physical change?
What is the phenomenon known as when the prediction of the Rayleigh-Jeans Law fails in the ultraviolet range?
What is the phenomenon known as when the prediction of the Rayleigh-Jeans Law fails in the ultraviolet range?
According to Max Planck, what is the smallest quantity of energy that can be emitted or absorbed as electromagnetic radiation?
According to Max Planck, what is the smallest quantity of energy that can be emitted or absorbed as electromagnetic radiation?
What is the equation that represents a photon's energy, according to the Photoelectric Effect?
What is the equation that represents a photon's energy, according to the Photoelectric Effect?
Quantum numbers are used to describe the properties of electrons in an atom. Which of the following sets of quantum numbers is valid?
Quantum numbers are used to describe the properties of electrons in an atom. Which of the following sets of quantum numbers is valid?
What did Max Planck propose in 1900 about the energy (or light) released or absorbed by atoms?
What did Max Planck propose in 1900 about the energy (or light) released or absorbed by atoms?
In the context of blackbody radiation, what happens when a blackbody is heated?
In the context of blackbody radiation, what happens when a blackbody is heated?
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