Physics, 30.09.2019 11:30 jaylanmahone223
Which model below represents a pure substance?
question 1 options:
neither figure 1 nor figure 2 are pure substances.
figure 1, because it is a compound.
both figure 1 and figure 2 are pure substances.
figure 2, because it is a compound
Answers: 1
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Examine the drawing of a molecule. each ring represents an atom of nitrogen (n). what’s the chemical formula of this substance?
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Which model below represents a pure substance?
question 1 options:
neither...
question 1 options:
neither...
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