Physics, 04.07.2019 07:00 enrique3300
Ihave some homework for my 9th grade physical science class and it's due monday, i already completed 1/2 of it, if you can answer one or more that'll be really , ty! if a question does not make sense let me know, each of the pages contain a small paragraph that may be needed to complete the question. (p. s. if u do answer a question, identify the page it is on and what number it is, tysm)page 13: the symbol for one of the elements is derived from its german name, wolfram. what is the english name for this element? page 21. what limitation is placed on electrons in the bohr model of the atom? 2. when the light from a gas is passed through a prism, why is there only a certain number of lines rather than a continuous spectrum? 3. how is the series of lines emitted by a gas similar to a fingerprint? 4. explain how scientists can use the pattern of lines from an unknown gas to identify what elements are contained in the gas? page 31. what is one important difference between the greek theory of atoms and dalton's atomic theory? 2. what is the significance of the invention of the stm? 3. explain how an stm creates an image of the atoms on the surface of a material
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4. if you were an astronaut on the moon, what would you experience? what would you see from your perspective?
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Holes drilled several kilometers into earth’s crust provide direct evidence about earth’s interior in the form of
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Ihave some homework for my 9th grade physical science class and it's due monday, i already completed...
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