Chemistry, 18.12.2019 23:31 meowmeowcow
What is the wavelength of light that is emitted when an excited electron in the hydrogen atom falls from n = 5 to n = 1?
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Asample of radium-226 will decay 1/4 of its original amount after 3200years. what is the half-life of radium-226?
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What is driving behind plate tectonics (plate movment)? a) gravity only b) inertia c) convection and gravity d) the sun theres no option for science so i picked chemistry. plz
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How does a hydroelectric power plant converts energy into energy.
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Which property of water causes water drops to bead on a freshly waxed car?
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What is the wavelength of light that is emitted when an excited electron in the hydrogen atom falls...
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