Based on the methods used to separate the substance into its parts, is Substance U a compound? A)No, it is a mixture, because physical methods were used to separate its parts
No, B)it is a mixture, because chemical methods were used to separate its parts
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C)Yes, is a compound, because physical methods were used to separate its parts
D) Yes, it is a compound, because chemical methods were used to separate its parts

The answer is A

Explanation: No because it’s is a mixture because physical methods were used to separate its particals

the correct option is c.

isotopes refers to different forms of the same element with the same atomic number but different mass number as a result of difference in their neutron numbers. isotopes have different relative atomic mass but share the same chemical properties.

a pan containing water is placed in a positio n where it is exposed to a 10 mile per hour wind. the pan contains a uniform depth of 1.27 cm of water, is quite wide, and has a length of 2.44 m in the wind direction. the water in the pan is at a constant temperature of 15.5 °c.