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Anettt [7]
3 years ago
13

HELLLLLLPPPPPPPPPPPppppp​

Chemistry
1 answer:
nexus9112 [7]3 years ago
3 0

Answer:

It Is Neon

Group Number: 18

Period number: 2

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What did Josef Loschmidt and Amedeo Avogadro Contribute to our understanding of basic molecular numbers, sizes, and reaction rat
mario62 [17]

From Avogadro we obtained a physical constant of matter which is Avogadro's number, and from both scientists we understand that elementary gases such as hydrogen, nitrogen, and oxygen were composed of two atoms.

<h3>What is Avogadro's number?</h3>

Avogadro's number, or Avogadro's constant, is the number of particles found in one mole of a substance.

The Avogadro's number is given as 6.02 x 10²³.

Summary of Josef Loschmidt and Amedeo Avogadro Contribution to chemistry.

  • Equal volumes of gas contain equal numbers of molecules,
  • Elementary gases such as hydrogen, nitrogen, and oxygen were composed of two atoms.

Thus, from Avogadro we obtained a physical constant of matter which is Avogadro's number, and from both scientists we understand that elementary gases such as hydrogen, nitrogen, and oxygen were composed of two atoms.

Learn more about Avogadro's here: brainly.com/question/1581342

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4 0
2 years ago
3. How many atoms in 3.91 moles of sodium?
Gala2k [10]

Answer:

Explanation:

The formula for sodium is Na. It does not form a molecule in some way.

1 mol Na = 6.02*10^23 atoms

3.91 mol = x                                    Cross multiply

x = 3.91 * 6.02 * 10^23

x = 23.65 * 10^23

x = 2.365 * 10^24

Scientific notation is always expressed as a number 1 ≤ x < 10

3 0
3 years ago
What characteristic of gases makes them different from liquids or solids?
Marrrta [24]
<span>The particles are far apart from each other.</span>
5 0
3 years ago
Whats the effect?
scZoUnD [109]

Answer: A wave

Explanation:

Because it’s the one that’s cause the new medium to go between the two media.

6 0
3 years ago
Read 2 more answers
How many electrons are there in carbonate ion, CO3^-2?
NISA [10]
It should be 24 electrons
3 0
3 years ago
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