Chemistry, 09.12.2020 01:00 Vicky22Shz
An atom of element Be has four protons, four electrons, and five neutrons. Which element below could be an isotope of this atom? Sodium-10 beryllium-10 boron-9 carbon-9
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Scientists have developed an explanation of a phenomenon from several verified hypotheses. the explanation has been confirmed through numerous experimental tests.which option best describes this explanation? a. scientific lawb. research questionc. hypothesisd. scientific theory
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One similarity and one difference between an element and a mixture of elements
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Calculate the concentration of all species in a 0.165 m solution of h2co3.
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An atom of element Be has four protons, four electrons, and five neutrons. Which element below could...
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