1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
serg [7]
3 years ago
13

For hydrogen, what is the wavelength of the photon emitted when an electron drops from a 4p orbital to a 2s orbital in a hydroge

n atom?
Chemistry
1 answer:
Tresset [83]3 years ago
3 0
In Bohr's atomic model, the electrons are orbiting outside in orbitals around the nucleus. The farther the electron is from the nucleus, the lower its energy level becomes. That is why when reactions occur, it is the valence electrons (outermost electrons) that gets involve in the bonding. The way you write an electronic configuration is how the energy levels decreases. The first is orbital 1s which is the highest energy level because it is nearest to the nucleus. Then, it is followed by 2s2p, and so on and so forth. The energy levels are represented by the numbers.

When electrons transfer from orbital to orbital, they may release (high to low) or absorb (low to high) energy in the form of light which can be measuredin wavelength. The formula to be used is Rydberg's formula:

1/λ = R(1/n₁² - 1/n₂²), where

λ is wavelength measured in meters
n₁ and n₂ are the energy levels such that n₂>n₁
R is the Rydberg constant equal to 1.097×10⁷ m⁻¹

1/λ =1.097×10⁷ m⁻¹ (1/2² - 1/4²)
λ = 4.86×10⁻⁷ or 4.86 pm
You might be interested in
What is the difference between conjugate acid-base pair?
NeX [460]

Answer:

B. a H+ ion is the answer dear.

Explanation:

ㅗㅐㅔㄷ ㅅㅗㅑㄴ ㅗㄷㅣㅔ ㅛㅐㅕ.

5 0
2 years ago
Many types of scientific equipment are used to perform different functions in the science lab. Which of the following combinatio
Phantasy [73]
I guess B is the right one......
4 0
3 years ago
Read 2 more answers
Muszę napisać wzór sumatryczny wysyłam załącznik
ioda

Cześć, nie mówię po polsku, więc zrobiłem to w Tłumaczu Google, więc przepraszam, jeśli coś brzmi śmiesznie.

chlor (VII) i tlen - ten wzór to CI_{2} O_{7}, a tlenek chloru jest bezwodnikiem kwasu nadchlorowego.

węgiel i wodór - wzór na węgiel i wodór to CnH2n + 2), jest to związek organiczny, a niższa klasyfikacja jest taka, że jest to również węglowodór aromatyczny.

Mam nadzieję, że to pomoże, błogosławionego i cudownego dnia! :-)

-Cutiepatutie

7 0
3 years ago
When oxygen is available what happens immediately after glycolysis?
vekshin1

Answer:

NADH is formed

Explanation:

If oxygen exists in the system, pyruvate goes into mitochondrial matrix in order to perform kreb's cycle and forms NADH

Otherwise, pyruvate forms into lactate acid.

Good luck on your final exam

3 0
3 years ago
Is MG an ion, isotope, or neutral atom?
Kitty [74]

Answer:

isotope

isotope

isotope

isotope

isotope

isotope

isotope

isotope

isotope

5 0
2 years ago
Other questions:
  • If i start with 46 ml of 1.25 m hcl and dilute it to a volume of 250 ml, what is the concentration of my final solution
    13·1 answer
  • NH3 + O2 → NO2 + H2O
    13·1 answer
  • What is the ideal gas law?
    11·2 answers
  • Complete the paragraph to describe the characteristics of silicon tetrachloride molecule (SiH4). the Lewis structure and the tab
    11·1 answer
  • State 3 characteristics of a temporary physical change<br>​
    10·1 answer
  • In order to perform a chemical reaction, 225 mL of 0.500 M lead (II) nitrate is required. How much 5.00 M stock solution is requ
    5·1 answer
  • Name ways we use technology in inner and outer space<br> 8th grade science btw
    9·1 answer
  • Which is right pls right answers only the one thats right will get brailiest
    15·2 answers
  • What is the fixer solution equation?
    8·1 answer
  • I GIVE MORE POINTS WHO ANSWER THIS QUESTION. Which option describes a wavelength of light? (1 point) O a distance between two si
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!