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PIT_PIT [208]
2 years ago
7

The chart shows the eight most common elements on Earth. Seventy-five percent of Earth's crust is made up of just two elements -

oxygen and silicon. What is the next most common element?
Select one:
Fe,
Na,
Ca,
Al

Chemistry
2 answers:
zzz [600]2 years ago
4 0

Answer:

Al

Explanation:

it is the longest on the graph after the other 2

Monica [59]2 years ago
3 0
The third most common element is Aluminum (Al).
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3 years ago
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What is the difference between Renewable Energy and Non renewable Energy? Which one is better for the environment and why? Also
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Answer:

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2 years ago
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What do you call each of the following changes of state:
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8 0
3 years ago
Uranium-267 undergoes alpha decay, what is the mass of the new element?
Firlakuza [10]

Answer:

will this help ?

Explanation:

(108Hs) is a synthetic element, and thus a standard atomic weight cannot be given. Like all synthetic elements, it has no stable isotopes. The first isotope to be synthesized was 265Hs in 1984. There are 12 known isotopes from 263Hs to 277Hs and 1–4 isomers. The most stable isotope of hassium cannot be determined based on existing data due to uncertainty that arises from the low number of measurements. The confidence interval of half-life of 269Hs corresponding to one standard deviation (the interval is ~68.3% likely to contain the actual value) is 16 ± 6 seconds, whereas that of 270Hs is 9 ± 4 seconds. It is also possible that 277mHs is more stable than both of these, with its half-life likely being 110 ± 70 seconds, but only one event of decay of this isotope has been registered as of 2016.[1][2].

3 0
2 years ago
I need help please!Perform the following conversion. Make sure your answer has the correct number of significant digits.
Nuetrik [128]

Answer:

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Explanation:

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