WorksheetsCBA Q1 Review F25
Total questions: 26
Worksheet time: 28mins
Who came up with the first atomic theory?
Dalton
Socrates
Thomas
Rutherford
What did Rutherford discover about atoms?
An atom is always negatively charged.
An atom is mostly empty space, but has a dense positively charged center(nucleus).
An atom is always positively charged.
All particles will pass straight through gold foil with no change in path.
What is a positively charged particle?
neutron
electron
proton
atom
What is a negatively charged particle?
neutron
electron
proton
atom
What is a particle with no charge?
neutron
electron
proton
atom
Who discover the electron?
Dalton
Rutherford
Thomson
Bohr
What did Rutherford discover in his experiment?
nucleus
electrons
neutrons
protons
Who proposed a model with electrons moving in specific layers?
Dalton
Rutherford
Bohr
Thomson
Rutherford's "gold-foil" experiment using alpha particle scattering concluded that
the center of the atom is empty
atomic mass is spread over the whole atom
the center of the atom has a negative charge
most of the atom is empty
What is the correct order of scientists in order of their work related to the atomic theory from earliest to most recent?
Ernest Rutherford, JJ Thomson, John Dalton, & Democritus
JJ Thomson, John Dalton, Ernest Rutherford, & Democritus
Democritus, John Dalton, JJ Thomson, Ernest Rutherford.
John Dalton, JJ Thomson, Democritus, & Ernest Rutherford
Who discovered the neutron?
JOSEPH JOHN THOMSON
ERNEST RUTHERFORD
NEILS BOHR
JAMES CHADWICK
Where are electrons located in an atom?
For use in the combined or ideal gas law, temperature must be converted to
Fahrenheit
Celsius
degrees
Kelvin
What happens to a volume of gas under constant temperature if the pressure decreases?
The volume increases
The volume decreases
The volume remains the same
At a constant volume, if the temperature increases the pressure will
Increase
Decrease
Remain the same
If the sun shining through windows heats air in a sealed room, what happens to the air pressure in that room?
It increases
It decreases
It will vary
It remains constant
When Martin pushes down on the handle of his bicycle pump, the air pressure within the pump _______.
increases
decreases
The number of waves that pass a given point every second
Frequency
Wavelength
Energy
Electromagnetic Spectrum
The distance between the crests of two waves
Frequency
Wavelength
Energy
Electromagnetic Spectrum
Broad range of radiation that carries energy as waves
Frequency
Wavelength
Energy
Electromagnetic Spectrum
When two different variables do the opposite thing
Direct Relatinship
Inverse Relationship
When two different variables do the same thing
Direct Relatinship
Inverse Relationship
As wavelength increases: frequency,_____________ and energy ______________.
Increases; decrease
Increases; increases
Decreases; decreases
Decrease; increases
How much of the electromagnetic spectrum is made up of visible light?
only a small portion
a very large portion
about half
