Atoms, Isotopes, 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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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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Helium (He atomic number 2) has 2 protons, 2 neutrons, and 2 electrons) is the He element shown above an atom, an element, or an isotope?

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atom

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The atomic mass is equal to _. Options: the number of protons only, the number of neutrons only, the total number of protons and neutrons, the number of protons, neutrons, and electrons.

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the total number of protons and neutrons

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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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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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Carbon has an atomic number of 6 and an atomic mass of 12. Which elements are considered isotopes of carbon? Options: Carbon-12, Carbon-13, Carbon-14, Both Carbon-13 and Carbon-14

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Carbon-13 and Carbon-14