Physics

Physics, 19.11.2019 19:31, angelicadattoli

What’s a substance made up of two or more elements

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Chemistry, 03.07.2019 00:30, caveman171

Which statement correctly describes why a compound is a pure substance? a compound is not a pure substance because each of its molecules is made up of the atoms of two or more different elements. a compound is a pure substance because its molecule cannot be broken down into simpler particles by physical means. a compound is not a pure substance because it is not an element, and only elements are pure substances. a compound is a pure substance because it consists of two different elements, which are pure substances.

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Chemistry, 11.07.2019 14:00, eva4548

There are four substances, a, b c and d. a and c are pure substances. they cannot be broken down into anything simpler by chemical methods. b consists of a and d, which are not chemically bonded together. d is a pure substance. we can decompose d into a and c using chemical methods. how would we classify substance a, c, and d? substances abcd question 14 options: substances a and c are compounds, because they are pure substances that bond together to make substance d and cannot be broken using chemical processes . substance d is a mixture, because it is a pure substance made up of a and c. substances a and c are elements, because they are pure substances that bond together to make substance d and cannot be broken using chemical processes. substance d is a compound, because it is a pure substance made up of a and c. substances a and c are elements, because they are pure substances that bond together to make substance d and cannot be broken using chemical processes . substance d is a mixture, because it is a pure substance made up of a and c. substances a, c, and d, are elements. all pure substances are elements.

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Chemistry, 22.08.2019 02:30, lenaaemersonn2

Which statement correctly describes whether a compound is a pure substance? a compound is not a pure substance because each of its molecules is made up of the atoms of two or more different elements. a compound is a pure substance because its molecule cannot be broken down into simpler particles by physical means. a compound is not a pure substance because it is not an element, and only elements are pure substances. a compound is a pure substance because it consists of two different elements, which are pure substances.

Answers: 2

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Chemistry, 29.08.2019 23:50, jendun123ovrxij

Which best describes a compound such as magnesium oxide? an impure substance that is made up of two elements a mixture of two uncommon substances a mixture of two common elements a pure substance that is made up of different elements

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