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An elements atomic number is 45. how many protons would an atom of this element have?
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The terrestrial planets are characterized by having a a.) silicate core b.) iron-rich silicate core c.) iron-rich metallic core d.) none of these
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Animals that have thick fur and ae able to store large amounts of body fat live where ?
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An elements atomic number is 45. how many protons would an atom of this element have?...