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Anvisha [2.4K]
2 years ago
6

Which gas will have the least collisions between its particles?

Chemistry
2 answers:
soldi70 [24.7K]2 years ago
5 0
D. Argon , because it’s a Nobel Gas so it’s stable
sertanlavr [38]2 years ago
4 0
AWNSER: A.


WHY: oxygen we breathe so there’s nothing too bad about oxygen carbon dioxide yes it’s kind of thick air though it won’t work so helium is the only good answer here
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An isotope has 15 protons, 16 neutrons, and 15 electrons. What is the isotopic notation of the isotope
VikaD [51]

Answer:

^{31}_{15}P is the isotopic notation of the atom

Explanation:

The isotope notation is:

^a_bX

<em>Where a is the mass number = Number of protons + Number of neutrons</em>

<em>b is atomic number = Number of protons</em>

The atomic number define the nature of the atom, the element with atomic number = 15 is phosphorus, P:

^a_bP

a = 15 protons + 16 neutrons = 31

b = 15

^{31}_{15}P is the isotopic notation of the atom.

3 0
3 years ago
Find the average speed of a person who swims 105 m in 70 s
spin [16.1K]

Answer:

v = 1.5 m/s

Explanation:

Given that,

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We need to find the average speed of the person. We know that the average speed is given by :

v=\dfrac{d}{t}\\\\v=\dfrac{105\ m}{70\ s}\\\\v=1.5\ m/s

So, the average speed of the person is equal to 1.5 m/s.

4 0
2 years ago
What is the difference between the lithosphere and the crust?
Dmitrij [34]

Answer:

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3 years ago
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