nakeytrag

23.09.2019 • 

Chemistry

Which statements correctly describe compounds? check all that apply.
1. compounds can be broken down into simpler substances by chemical means.
2. each compound is composed of one type of molecule.
3. compounds can be broken down into simpler substances by physical means.
4. each compound is composed of one type of atom.
5. each compound is composed of two or more types of atoms.
6. compounds cannot be broken down into simpler substances by chemical means.

Ответ:

umadbro8404

07.06.2020

Chemistry

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The correct statements are 1, 2 and 5.

Explanation:

Compounds are defined as the chemical substances

That can be broken down into simpler substances by chemical substances.These substances contain same type of molecules.These contains more than one type of atoms combined in the fixed ratio by their mass.They differ in chemical and physical properties from the constituting elements.For Example: etc...

Hence, the correct statements are 1, 2 and 5.

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Ответ:

kwilly60

24.04.2021

Chemistry

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A DC motor requires a magnetic force to create its rotational power

hope that helps

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