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Andrei [34K]
3 years ago
7

Name at least four other gases in the atmosphere besides oxygen and nitrogen

Chemistry
1 answer:
nikitadnepr [17]3 years ago
8 0
Carbon dioxide (CO2)
Argon (Ar)
Hydrogen (H)
Helium (He)
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Carbon (C): 1s(H)2s(I)2p(J)<br> What is H, I, and J equal?
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Answer:

H =2; I = 2; J = 2  

Explanation:

Carbon is element 6 in the Periodic Table.  

Start at element 1 (H) and count from left to right until you reach element 6 (C).

You get the electron configuration

C: 1s² 2s²2p².

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H =2; I = 2; J = 2

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2 years ago
PLSS HELP! The gas carbon dioxide is a pure substance. Which of the following is true about carbon dioxide? (4 points)
Nadusha1986 [10]

Answer:

The answer is option A..

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3 years ago
Find the area given rectangle.
seraphim [82]

Answer:

The perimeter of a Rectangle P= 2(l + b)

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Please help me with this honestly I'm clueless It's 7th science work......please help
olganol [36]
Hiii
3. describe the physical characters that can be observed: phenotype

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