Atomic Theory
Quiz by Tim Bishop
Feel free to use or edit a copy
includes Teacher and Student dashboards
Measure skillsfrom any curriculum
Tag the questions with any skills you have. Your dashboard will track each student's mastery of each skill.
- edit the questions
- save a copy for later
- start a class game
- automatically assign follow-up activities based on students’ scores
- assign as homework
- share a link with colleagues
- print as a bubble sheet
- Q1
Democritus named the smallest particles of matter _____ because they could not be divided.
neutrons
protons
cells
atoms
20s - Q2
True or False? John Dalton gathered evidence for the existence of atoms by measuring the masses of elements that reacted to form compounds.
False
True
Neither
Maybe
20s - Q3
Objects with like charges _____ each other.f
attract
repel
jump over
ignore
20s - Q4
In Thomson's experiment, he concluded that the particles in the glowing beam had a(n) _____ charge because they were attracted to a positive plate.
negative
neutral
extra
positive
20s - Q5
Which of these did Rutherford conclude from the gold foil experiment?
Thomson's model of the atom was correct
An atom's positive charge is concentrated in its nucleus
An atom's negative charge is concentrated in its nucleus
An atom's positive charge is spread evenly throughout the atom
20s - Q6
The subatomic particle with a positive charge is the _____.
nucleus
neutron
electron
proton
20s - Q7
Which of these is NOT a property that varies among subatomic particles?
location in the atom
charge
color
mass
20s - Q8
True or False: Two atoms of the same element can have different numbers of protons.
Maybe
Neither
False
True
20s - Q9
True or False: Two different elements can have the same atomic number.
True
Maybe
Neither
False
20s - Q10
Every atom of a given element does NOT have the same number of _____.
neutrons
nuclei
electrons
protons
20s - Q11
All oxygen atoms have 8 protons. How many neutrons does an atom of oxygen-18 have?
8
18
10
9
20s - Q12
How is Bohr's model of the atom different from Rutherford's model?
Bohr's model focused on the neutrons.
Bohr's model focused on the electrons.
Bohr's model focused on the protons.
Bohr's model focused on the nucleus.
20s - Q13
True or False: When electrons release energy, some of the energy may be released as visible light.
True
Neither
Maybe
False
20s - Q14
True or False: Bohr's model was correct in assigning energy levels to electrons.
False
Maybe
True
Neither
20s - Q15
True or False: Scientists use the electron cloud model to describe the exact location of electrons around the nucleus.
Maybe
True
False
Neither
20s