Line Spectra - Bohr's Model Flashcards

1
Q

upon heating of elements, where does the color effect based on?

AND what spectrum is it based on?

A

color depends on MOST INTENSE LINES emitted from the 4 CHARACTERISTIC LINES

Line/Emission Spectrum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Continuous Spectrum vs Line/Emission Spectrum

A

Continuous Spectrum - all colors are showed
Line Spectrum - 4 characteristics line are showed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

where is LINE SPECTRUM based on

A

wavelength

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

how does LINE SPECTRUM prove that visible light has DEFINIT ENERGY VALUES?

A

if light has an INFINITE ENERGY VALUE, it can emit ANY color which is not the case

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Who created the Bohr’s model

A

Niels Bohr

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What does the Bohr’s model say?

A

electrons moves around the nucleus in circular orbits in a certain allowed radius

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

relationship between energy of orbit and distance of electrons (n)

A

direct

kasi as electrons advance to excited state, nagiging positively charged ang nucleus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

2 states that an electron can have during process of decay

A

ground state
excited state

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what do you call the PROCESS wherein the electron goes back to its stable state and releases PHOTONS

A

process of decay

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

what do you call the PROCESS wherein e- advances to the excited state due to energy absoroption

A

ionization

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Energy level postulate formula

A

Delta E of e- = R [( 1/initial n^2 ) (1/final n^2)]

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

can energy of photon be negative?

A

no

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

formula for rydberg’s constant

A
  • R (NEGATIVE) = Energy of photon x n^2

R = 2.179x 10^-18 J

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

can n (number of orbit) be negative or decimal?

A

no

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Who suggested that particles have wave-like manner and what equation was thus derived?

+ wave-particle duality

A

Louis de Broglie

de Broglie Relation:
wavelength = (Planck’s constant) / mass (kg) x speed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Who made the UNCERTAINTY PRINCIPLE and what does it say?

  • movement of e-
  • 2 factors
  • defines…?
A

Werner Heinsberg

  • 3d movement around the nucleus
  • position (uncertain velocity) & velocity (uncertain position) cannot be known, ONLY the probability
  • INHERENT QUALITIES of electrons which defines them as being both PARTICLE and WAVES
17
Q

What model DEFIES the UNCERTAINTY PRINCIPLE and why?

A

Bohr’s model - states the position and velocity of electrons but it still

PREDICTS THE MOST PROBABLE RADIUS OF ELECTRONS

18
Q

After uncertainty principle, who developed a new equation to locate e-?

  • name of creator
  • name of equation
  • relationship with wave intensity
  • the 3 variables that the equation uses
A

Erwin Schrodinger
Wave function
direct
X,Y,Z

19
Q

SERIES names for nf =

1
2
3
4
5

A

1 = Lyman (UV)
2 = Balmer (visible)
3 = Paschen
4 = Brackett
5 = Pfund