According to the quantum-mechanical model for the hydrogen atom, which electron transitions produces light with the longer wavelength: 2p→1s or 3p→1s?

Answers

Answer 1

Answer:

Answer:2p→1s

Explanation:

Frequency is inversely proportional to wavelength. The higher the frequency, the shorter that wavelength. The smaller the frequency the longer the wavelength. The frequency of light associated with 2p→1s is less than the frequency of light associated with 3p→1s since the latter represents transition from a much higher energy level. It follows that the wavelength associated with the former will be longer since its frequency is lesser. This deduction follows from our argument about the inverse relationship between frequency and wavelength.

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Look at the dots around each symbol and the energy levels from the resources above;Answer the questions in the text entry option for this assignment.Copy and paste questions and respond in complete sentences.Include a space between each question.Be specific with your responses for each question. Assume your reader has no knowledge of the subject and you are teaching them via your answers.Please answer the following questions:Why does Na have only one dot?Why do none of these diagrams show more than 8 dots?What relationship do you notice between the dots in these two charts?The number of dots that hydrogen and helium have in their dot diagram is the same as the number of electrons shown for them on the Periodic Table. Why? (Hint: Octet Rule (Links to an external site.))
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classify each orbital diagram for ground-state electron configurations by the rule or principle it violates.

Properties that do not depend on the amount of matter present are called _________________.a.intensive property
b. extensive property

Answers

the answer is b) extensive just took the test.

Answer:

a.intensive property

Explanation:

Properties that do not depend on the amount of matter present are called

But B answer is not correct

chloetoder is wrong answer

Which molecules shown on the graph above are likely candidates for evaporation? 1. molecules under the left end of the curve
2. molecules under the apex of the curve
3. molecules under the right end of the curve
4. all molecules under curve "T2"

Answers

Answer : The correct option is, (3) molecules under the right end of the curve

Explanation :

Evaporation : It is type of process in which the phase changes from liquid state to gaseous state below the boiling temperature of the liquid.

As we know that the higher the temperature of the liquid $(T_2)$ , the more will be the molecule escaping into the gaseous phase than the lower temperature $(T_1)$ .

So, the molecules under the right end of the curve are likely candidates for evaporation.

Hence, the correct option is, (3)

Answer: molecules under the right end of the curve

Explanation: smart

Jack, an Investigator, wants to prove that a certain suspect was present at the crime scene when the crime was committed. What kind ofevidence should he look for?

Jack should look for __________ evidence because the analysis of such evidence can prove whether the person was present when the crime
was being committed. This evidence refers to tiny fragments of material that can be transferred from a human to a human or human to a
location
(forensic science question)

Answers

Answer: TRACE evidence

Explanation: Any evidence that can be transferred from one person to another or one person to a place is trace evidence. Also I took the test.

Democritus was a Greek philosopher living from c. 460 B.C. to c. 370 B.C. He wrote several suppositions on the properties of matter.Which of the following statements most closely describes Democritus's ideas about matter?

A. All matter is composed of tiny particles that can vary in shape, size, and weight.

B. Solid matter is composed of square-shaped particles and liquid matter is composed of flat particles.

C. Solid matter is composed of atoms and liquid matter is composed of elements.

Answers

The correct answer is answer choice A, all matter is composed of tiny particles that can vary in shape, size, and weight. Democritus believed that the universe is made up of empty space and tiny particles; these particles were atoms.

Hope this helps!

Which is a characteristic of mixtures? They are chemically bonded together. They can be classified as pure substances. They have fixed ratios between their components. They can be separated by physical processes.

Answers

the answer is d i just took the quiz

The statement "They can be separated by physical processes" is a characteristic of mixtures (option D)

What are mixtures?

Mixtures are physical combinations of two or more substances. The components of a mixture are not chemically bonded together, and they can be separated by physical processes such as filtration, distillation, and evaporation.

Pure substances, on the other hand, are made up of only one type of atom or molecule. They cannot be separated by physical processes.

Therefore, the correct answer is They can be separated by physical processes (option D)

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You submerge a piece of clay in water and measure the total volume. You change the shape of the clay and put it back into the same amount of water. Does the mass change? Explain. ANSWER FAST

Answers

The mass will not change, because if you add or subtract any clay the mass doesn't change if u took some away or added any the mass would have changed.

What is measurement?

Distance has a physical quantity which has been measured in meter. If a man travel then it will measured in meters that shows that how much he had travelled from one place to another place for all such type of things we use to measure the distance.

Centimeter is also been physical quantity which has to be used measure distance. 1 centimeter is just equal to 0.01 meter and 1 centimeter is just equal to 0.00001 kilometer and the kilometer has been large quantity to measure distance on the other hand centimeter is smaller quantity in which distance is measured.

Kilometer is also known as physical quantity which used to measure the distance of 1 kilometer which is equal to 1000 meter and 1 kilometer is just equal to 10,0000 centimeter.

For above conclusion, we easily states that the kilometer is large quantity to measure distance while centimeter is smaller quantity to measure distance. Centimeter is also a physical quantity which is use to measure distance. 1 centimeter is equal to 0.01 meter and 1 centimeter is equal to 0.00001 kilometer.

Therefore,The mass will not change, because if you add or subtract any clay the mass doesn't change if u took some away or added any the mass would have changed.

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no, because if you didn't add or subtract any clay the mass doesn't change if u took some away or added any the mass would have changed

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In 1803, the British chemist John Dalton proposed several atomic theories. Which one of his theories was later shown to be incorrect?I. Atoms are indivisible and indestructible particles. II. All atoms of the same element are exactly alike. III. Atoms of different elements are different. IV. Atoms combine in specific numerical ratios to form compounds. A. II only B. II & III only C. I & II only