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Rina8888 [55]
3 years ago
15

Helppp me faststttttt plzzzzz freee points

Chemistry
2 answers:
Volgvan3 years ago
8 0

Explanation:

Where is the question.

lara [203]3 years ago
3 0
Okkk whatttt issss theeeee questionnnnnn?????
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Determine the frequency of light with a wavelength of 2.672 x 10^-7cm
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Determine the frequency of light with a wavelength of 2.775⋅10−7 cm. Answer in units of Hz?❤

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16. What is a pure substance formed when two or more different elementscombine called?A. compoundB. moleculeC. element
Lana71 [14]
<h2>Answer:</h2>

Compound. Option A is correct

<h2>Explanations:</h2>

When two or more different elements combines, a compound is formed. For instance, if carbon and oxygen combines, carbondioxide is formed according to the equation;

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From the reaction, carbon and oxygen are the elements while carbondioxide is the compound. Hence we can conclude that a pure substance formed when two or more different elements combine called compound.

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3 years ago
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Ksenya-84 [330]

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