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An element has atomic number 10 and an atomic mass of 20. how many neutrons are in the atom of this element?
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Si una estrella no tiene paralaje medible, ¿qué puedes inferir?
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Choose all the answers that apply. ionic compounds dissolve easily in water do not dissolve in water have low melting points have high melting points conduct electricity when melted
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Determine the ph of 0.10 m nh3 solution. nh3 is a weak base with a kb equal to 1.8 x 10-5 round answer to nearest whole number.
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An element has atomic number 10 and an atomic mass of 20. how many neutrons are in the atom of this...
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