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Biblioteka

Chem Unit 5 Atomic Emissions

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Posljednje ažuriranje 4 months ago
20
Napomena autora:

in lieu of a real flame lab; would be good as a prelab

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Question 1
00:42
Question 2
00:54
Question 3
01:20
Question 4
02:52
Pitanje 5
5.

Which part of the burner is used to adjust the amount of gas flow and the height of the flame?

Pitanje 6
6.

Which position around the flame has the hottest temperature?

Pitanje 7
7.

In this image, is the gas flowing or is the gas turned off?

Pitanje 8
8.

What is the purpose of a diffraction grating?

Question 9
00:20
Question 10
00:47
Question 11
03:39
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Pitanje 12
12.

Why does each transition have a different wavelength and color?

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Pitanje 13
13.

Do any of the elements emit the exact same set of colors?

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Pitanje 14
14.

Do any elements emit the entire rainbow?

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Pitanje 15
15.

What is the unknown element?

Pitanje 16
16.

Which part of the atom is active during the emission of the bright-line spectrum?

Pitanje 17
17.

An electron will emit energy when it changes its position in what way?

Question 18
00:29
Question 19
01:52
Pitanje 20
20.

What are practical uses of emission spectra?

Select all options.