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Likurg_2 [28]
3 years ago
14

What transition energy corresponds to an absorption line at 460 nm?

Chemistry
2 answers:
kykrilka [37]3 years ago
8 0
The answer is b I think I hope it right
galben [10]3 years ago
8 0

Answer:

B. 4.32 x 10-19 J is correct via a p e x

Explanation:

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Answer:

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3 years ago
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What is the net ionic equation for ammonia and phosphoric acid?
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3 years ago
Consider the element carbon. How many electrons can be found in a carbon atom? How many are valence electrons?
Eva8 [605]

Answer:

option B= 6 : 4

Explanation:

Properties:

1. Carbon have six electron and six proton.

2. The two electrons are present in first shell while remaining of four electrons are present in the second shell.

3. it is non-metallic element and present in the group fourteen of periodic table.

4. its atomic mass is 12.0107 u.

5. its melting and boiling point is 3550 °C and 4827 °C respectively.

Uses:

1. it is used as a fuel in the form of coal.

2. in the form of graphite it is used in dry cells, as a lubricant, in pencil and high temperature crucible.

3. it is also used in jewelry in the form of diamond and because of its hard nature used in industries for drilling, polishing, cutting and grinding.

4. carbon black powder is used in printer ink.

5. its most common alloy with iron is steel.

6. it form variety of compound with number of other elements like nitrogen, hydrogen, oxygen etc.

Electronic configuration:

1s2, 2s2, 2p2

Isotopes of carbon:

There are fifteen isotopes of carbon from C8 - C22. The isotopes  C12 and C13 are stable while C14 is radioactive.

4 0
3 years ago
Select the term that best completes the following statement:
ankoles [38]

Answer:

C. oxygen atom

Explanation:

H2O contains two hydrogen atoms and one oxygen atom.

3 0
3 years ago
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belka [17]
If they're different sizes and densities, you are able to separate the substances. 
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