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steposvetlana [31]
3 years ago
6

Air is an example of a mixture because the elements and compounds that make up air retain their individual properties.

Chemistry
1 answer:
inysia [295]3 years ago
7 0

Answer:

True

Explanation:

True definition of a mixture itself

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Water boils at 100°C at sea level. If the water in this experiment did not boil at 100°C, what could be the reason?
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One reason could be that the water in this experiment, didn’t boil, but instead became a “chemical reaction” from atmospheric pressure which is normal.

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Compounds can be broken down into simpler substances by chemical means, but elements cannot. break a compound into simpler substances; oxygen and hydrogen that water contains.

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Which statement comparing chemical and nuclear properties of isotopes is correct? Isotopes have similar chemical and nuclear pro
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<u>Answer:</u> The correct answer is isotopes generally have the same chemical properties, but often different nuclear properties.

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Atomic number = number of protons = number of electrons

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Mass number = Number of protons + Number of neutrons

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Chemical properties of an element is determined by the number of electrons present in an atom.

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