Please help me with this question?
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Stage in which a star’s outer layers have started to cool and grow outward?
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Use the de broglie's wave equation to find the wavelength of an electron moving at 7.3 × 106 m/s. show your work. note: h = plank's constant (6.62607 x 10-34 j s)
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Can someone me out on this question for my national 5 chemistry homework
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