Quiz #1-4 PRACTICE: Models of the Atom
For each of the following questions or statements, select the most appropriate response and click its letter:
Congratulations - you have completed Quiz #1-4 PRACTICE: Models of the Atom. You scored %%SCORE%% out of %%TOTAL%%. Your performance has been rated as %%RATING%%
Your answers are highlighted below.
Which scientist proposed the idea of the 'nucleus' after the unexpected results of his students’ gold foil experiment?
Who was the first person to suggest the idea of electrons?
Which of the following models of the atom best describes Dalton's theories?
a model in which the nucleus is made of protons, electrons, and neutrons
a model in which the atom is a solid sphere
a model in which the nucleus is made of electrons and protons.
a model in which the region outside the nucleus is largely empty space in which the electrons are situated
a model in which the protons, electrons, and neutrons are evenly distributed throughout the volume of the atom
The nucleus of an atom is:
negatively charged and has a low density
positively charged and has a low density
negatively charged and has a high density
positively charged and has a high density
Which of the following is a part of Dalton's atomic theory?
Atoms of the same element are alike in mass and size.
Atoms are almost always in motion.
Atoms can combine with other atoms to form elements.
All elements are composed of molecules.
What particles form the outside of an atom?
protons and neutrons
none of the above
protons and electrons
neutrons and electrons
Which of the following statements about subatomic particles is correct?
Electrons, protons, and neutrons all have the same mass.
Protons are positively charged and the lightest subatomic particle.
Electrons are negatively charged and are the heaviest subatomic particle.
Neutrons have no charge and are the lightest subatomic particle.
The mass of a neutron nearly equals the mass of a proton.
Which of the following discoveries led to the development of the quantum mechanical model?
electrons occupied different energy levels around the nucleus
most alpha particles passed through gold foil without hitting matter
atoms of gases combined to form compounds in whole-number ratios
cathode rays could be bent by a magnetic field
The comparison of the number of atoms in a copper coin the size of a penny with the number of people on earth is made to illustrate which of the following?
that atoms are very large
in a copper penny, there is one atom for every person on earth
there are fewer atoms in a copper penny than there are people on earth
that atoms are indivisible
that atoms are very small
Isotopes of the same element have different:
positions on the periodic table
Once you are finished, click the button below. Any items you have not completed will be marked incorrect. Get Results
There are 10 questions to complete.
Shaded items are complete.
You have completed
Your score is
You have not finished your quiz. If you leave this page, your progress will be lost.
Final Score on Quiz
Attempted Questions Correct
Attempted Questions Wrong
Questions Not Attempted
Total Questions on Quiz
Answer Choice(s) Selected
Need more practice!