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Chemistry
what is a atom??? i get confused
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The basic unit of matter that consists of a dense, central nucleus surrounded by a cloud of negatively charged electrons
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Any atom that has 13 protons is an aluminum atom. Which statement best describes what would happen if a proton were added to an
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The atom would no longer be aluminum.
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Hi!
I would like to know the definitions for... ELEMENT: something on the periodic table? COMPOUND: molecule with at least 2
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Yes, O2 is a molecule of oxygen. CO is a molecule of carbon monoxide. O is the symbol for oxygen
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b) a helium atom
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I am confused on how to even start this problem...
A ground state H atom absorbs a photon of wavelength 94.91 nm, and its
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duplicate post.
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I am confused on how to even start this problem...
A ground state H atom absorbs a photon of wavelength 94.91 nm, and its
Top answer:
For #a. delta E1 = hc/wavelength but change 94.91 nm to meters first. Then use delta E1 = 2.180 x
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Which of the following happens when an ionic bond is formed?(1 point)
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Two atoms attain equal electronegativities.
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B is wildly wrong !!! C is also Wildly wrong for the same reason. Hydrogen reacts. Helium reacts
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6. What is an ion?
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An atom with a positive or negative charge
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6. What is an ion? * 1 point An atom with a positive or negative charge A stable atom An atom with the same number of protons
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An atom with a positive or negative charge
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