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Yuliya22 [10]
2 years ago
6

5pts. Chemistry multiple choice​

Chemistry
2 answers:
shusha [124]2 years ago
6 0
C. Xenon // they both look alike
aleksandrvk [35]2 years ago
4 0

Answer:

C. Xenon

Explanation:

The question only requires you to use your visual skills to identify the unknown gas. Look at the spectra of unknown gas and xenon, are they not identical? SInce they are same, the unknown sample must be xenon.

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andrezito [222]
There should be no air bubbles, as a bubble bursting can affect the volume measurement and disrupt the accuracy of the experiment.
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3 years ago
If L = 5, then the magnetic quantum number "mL" can be equal to
Anit [1.1K]

b. -5, -4, -3, -2, -1, 0, +1, +2, +3, +4, +5

<h3>Further explanation</h3>

Each orbital in an atom consists of 4 quantum numbers  

n is the principal quantum number.  

l is the angular momentum / azimuthal quantum number  

ml, the magnetic quantum number  

ms, the electron-spin quantum number  

Value of n: positive integer  

value of l: s = 0, p = 1, d = 2, f = 3 , ..(n-1)

ml value: between -l to + l  

ms value: +1/2 or -1/2  

So for L=5, mL value : -5 to +5

6 0
3 years ago
Electron-dot diagrams Show all the electrons in an element?
Serjik [45]
An electron dot diagram shows an atom's number of valence electrons
5 0
3 years ago
Marcus wants to use two objects to compare the sizes of a proton and an electron. If he uses a basketball for a proton, which ob
ra1l [238]

Answer:

A

Explanation:

3 0
3 years ago
Light travels at 2.9979 x 1010 cm/s. How far would light travel in a year
Airida [17]

Light will travel 9.4525 × 10¹⁷ centimeters in one year.

Explanation:

Knowing that 1 year have 3.154 × 10⁷ seconds, we devise the following reasoning:

if light travels       2.9970 × 10¹⁰ centimeters in 1 second

then light travels  X centimeters in 3.154 × 10⁷ seconds

X = (2.9970 × 10¹⁰ ×  3.154 × 10⁷) / 1 = 9.4525 × 10¹⁷ centimeters

Learn more about:

speed of light

brainly.com/question/394103

brainly.com/question/1555553

#learnwithBrainly

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4 years ago
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