Team 1
0
Team 2
0
Teams
Name
Score
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Loading
15
×
What happens when an electron jumps from a higher to a lower energy level?
Electron disappears
A photon is emitted
Nothing happens
A photon is absorbed
Oops!
Show
Check
Okay!
Check
15
×
Which model best predicts chemical behavior and probabilistic electron locations?
Dalton
Electron cloud
Classical
Bohr
Oops!
Show
Check
Okay!
Check
×
heart
Other team wins 20 points!
Oops!
×
magnet
Take 25 points!
Okay!
×
rocket
Go to first place!
Okay!
×
banana
Go to last place!
Oops!
15
×
Classical physics could explain discrete spectral lines.
True
False
Oops!
Show
Check
Okay!
Check
15
×
Classical physics predicted that electrons orbit the nucleus like:
Planets around the sun
Fixed points
Particles in a cloud
Satellites randomly
Oops!
Show
Check
Okay!
Check
15
×
Which of the following is a limitation of Bohr’s model?
Does not have energy levels
Cannot explain multi-electron atoms
Cannot predict hydrogen spectrum
Ignores the nucleus
Oops!
Show
Check
Okay!
Check
15
×
Electron transitions in Bohr’s model produce:
Only infrared light
Continuous radiation
Discrete spectral lines
No energy
Oops!
Show
Check
Okay!
Check
15
×
The electron cloud model shows electrons as:
Probability regions
Fixed orbits
Circling nuclei like planets
Stationary particles
Oops!
Show
Check
Okay!
Check
15
×
In the photoelectric effect, electrons are ejected when:
Light intensity is high enough
Light frequency is above threshold
Metal is hot
Any light shines on the metal
Oops!
Show
Check
Okay!
Check
15
×
Compared to Bohr, the electron cloud model is better for:
Predicting chemical behavior
Ignoring energy levels
Describing photons
Explaining hydrogen spectra only<br>
Oops!
Show
Check
Okay!
Check
15
×
In Bohr’s model, electrons:
Can have any energy
Exist only in a cloud
Move in fixed circular orbits
Are stationary
Oops!
Show
Check
Okay!
Check
15
×
Which parts of the atom interact to produce spectral lines?
Neutrons and photons
Only photons
Only the nucleus
Nucleus and electrons
Oops!
Show
Check
Okay!
Check
×
seesaw
Swap points!
Oops!
×
gift
Win 25 points!
Okay!
×
fairy
Take points!
5
10
15
20
25
×
thief
Give points!
5
10
15
20
25
15
×
Bohr’s model works perfectly for multi-electron atoms.
True
False
Oops!
Show
Check
Okay!
Check
×
heart
Other team wins 20 points!
Oops!
×
gift
Win 25 points!
Okay!
×
shark
Other team loses 25 points!
Okay!
×
thief
Give points!
5
10
15
20
25
15
×
Which formula represents photon energy?
V = IR
F = ma
E = hf
E = mc²
Oops!
Show
Check
Okay!
Check
×
Restart
Review
Join for Free
;
Your experience on this site will be improved by allowing cookies.
Allow cookies
