Isotopes and Ions

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Adding or subtracting neutrons (charge = 0, mass = 1) makes the element change into an...

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isotope

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The atomic number is equal to _.

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the number of protons and electrons

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What is the charge on a lithium atom that loses 1 electron? Options: +1, 0, -1, -2

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+1

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Is the element shown in this image an ion, isotope or normal atom? Options: atom, isotope, cation (+ ion), anion (- ion)

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atom

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How many protons does this isotope of titanium have? Hint: titanium has an atomic number of 22.

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22

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What element is this?  What is the mass number of this atom? Options: sodium, 23, magnesium, 23, magnesium, 12, sodium, 11

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sodium, 23

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Which atom has  4 neutrons? Options: Li-6, Li-7, Li-8, they have the same # of neutrons

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Li-7

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What is the atomic number of Fe?

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26

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How many neutrons does B (Boron) contain? Options: 5, 11, 6, 10.811

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6

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Carbon has an atomic number of 6 and an atomic mass of 12. Which elements are considered isotopes of carbon?

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Carbon-13 and Carbon-14