Calculate the energy of electron at n=6

• 6.06 x 10^-20 J

• 3.63 x10^-20 J

• -6.06 x10^-20 J

• -3.63 x10^-20 J

When electron falls from an excited state to a ground state, a light wave released/emitted by electron is called as ______.

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

A Balmer series spectrum is formed when electrons from excited state fall down to ground state of n= ___.

Tags

NGSS.HS-PS4-3

Transition of electron from an excited state to a ground state of n = 5 formed a photon. Which of the following series belongs to this respective transition?

• Balmer

• Pfund

• Brackett

• Lyman

• Paschen

Tags

NGSS.HS-PS4-3

Which of the following Hydrogen atom series of spectrum is NOT in infrared region in electromagnetic region?

• Balmer

• Brackett

• Pfund

• Lyman

• Paschen

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-4

If energy is supplied, electron ___________ the energy and is promoted from a _____ energy level to a ______ higher energy level.

• absorbed; lower; higher

• emitted; lower; higher

• absorbed; higher; lower

• emitted; higher; lower

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

At excited state electron is _______________and it will fall back to lower energy level and released a specific amount of ________________ in form of light (photon).

• unstable, energy

• stable, wavelength

Tags

NGSS.HS-PS4-3

The diagram show

• formation of continous spectrum

• formation of line spectrum

Tags

NGSS.HS-PS4-3

the diagram show

• the formation of continous spectrum

• the formation of line spectrum

Tags

NGSS.HS-PS4-3

Calculate the energy required to excite an electron from n =2 to n= 4.

• 2. 05 x 10⁶ J

• -2. 05 x 10⁶ J

• 4.09 x10^-19 J

• - 4.09 x10^-19 J

Tags

NGSS.HS-PS3-1