Chemistry
Chemistry, 28.02.2021 06:00, seannalove6168

Oxygen (O2) Carbon Dioxide (CO2)

Water (H2O)

contains 2 oxygen atoms per molecule

contains 2 oxygen atoms per molecule

contains 1 oxygen atom per molecule

gas at room temperature

gas at room temperature

liquid or gas at room temperature

flammable

not flammable

not flammable

A student compared some chemical and physical properties of three pure substances. Her data are recorded in the chart above. What is a logical conclusion the student can draw about pure substances?
A. Pure substances have the same chemical and physical properties.
B. Pure substances have the same chemical properties, but different physical properties.
C. Pure substances have the different chemical properties, but the same physical properties.
D. Pure substances have different chemical and physical properties.

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Oxygen (O2) Carbon Dioxide (CO2)

Water (H2O)

contains 2 oxygen atoms per mo...

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