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An atom of beryllium has 4 protons, 4 electrons, and 5 neutrons. What is its mass number?
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Identify the lewis base in this balanced equation: fe3+ h2o fe(h2o)63+
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Achemist tests new mixtures for paint samples and decides one mixture's stickiness makes it worthless. a scientist working in a nearby lab suggests a different use for this sticky mixture. which statement best describes this situation?
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Write a balanced equation for the combination reaction described, using the smallest possible integer coefficients. when diphosphorus pentoxide combines with water , phosphoric acid is formed.
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An atom of beryllium has 4 protons, 4 electrons, and 5 neutrons. What is its mass number?...
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