Answer: The correct answer is Gold (I) nitride.
Explanation:
Gold(I) Nitride Au3N Molecular Weigh.
You could make flashcards. Or review previous lessons about the subject.
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"<span>They have two electrons in the outer shell. </span>Alkali metals<span> are soft, low density </span>metals<span>that react vigorously with water to form hydrogen. They only have one electron in it's outer shell. </span>Alkali-earth metals<span> are low density hard </span>metals<span> that react less vigorously with water. They have two electrons in the outer shell."
(Taken from a source)
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:)</span>
Answer: option D. Atoms containd small negatively charged particles that are called electrons.
JJ Thompson carried out three important experiments with cathode rays. With them he proveed that cathode rays were negative charged particles and that the ratio charge/mass was so large that the particles either had a huge charge or had a very small mass, and he came up with the latter, defining that these negative charged particle were very small.