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Science Clinic => Chemistry => Topic started by: fagboi on Nov 18, 2019

Title: Calculate the wavelength of an electron (m = 9.11 10-28 g) moving at 3.66 106 m s-1.
Post by: fagboi on Nov 18, 2019

Question 1

An electron ends in orbital n = 4 after a hydrogen atom emits a photon with a wavelength of 2165 nm. Calculate the initial orbital, ni.
◦ 2
◦ 6
◦ 3
◦ 1
◦ 7

Question 2

Calculate the wavelength of an electron (m = 9.11 × 10-28 g) moving at 3.66 × 106 m s-1.
◦ 1.99 × 10-10 m
◦ 1.81 × 10-10 m
◦ 5.52 × 10-9 m
◦ 5.03 × 10-10 m
◦ 2.76 × 10-9 m

Title: Calculate the wavelength of an electron (m = 9.11 10-28 g) moving at 3.66 106 m s-1.
Post by: verrinzo on Nov 18, 2019

Answer 1

7

Answer 2

1.99 × 10-10 m