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choli [55]
2 years ago
12

Which choice best explains why a 1-kg sample of carbon and a 3-kg sample of carbon have similar properties?

Chemistry
1 answer:
prohojiy [21]2 years ago
6 0
C is the answer to your prolblrm
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An artifact contains one-fourth as much carbon-14 as the atmosphere. how old is the artifact
Nikolay [14]
<h3><u>Answer;</u></h3>

= 11,460 years

<h3><u>Explanation;</u></h3>
  • <em><u>The half life of Carbon-14 is 5,730 years . Half life is the time taken by a radioactive material to decay by half of its original mass.  Therefore, it  would take a time of 5730 years for a sample of 100 g of carbon-14 to decay to 50 grams</u></em>

<em>The initial amount of carbon-14 in this case was 1 whole; thus; </em>

<em>1 → 1/2 →1/4</em>

<em>To contain 1/4 of the value, 2 half-lives have passed. </em>

<em>But, 1 half life = 5,730 years</em>

<em>Therefore; The artifact is is therefore: 2 x 5,730 </em>

<em>          = 11,460 years </em>

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2 years ago
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An example of a physical property of an element is the element's ability to what?
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Explanation:

Appearance, melting point, density, solubility, polarity

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