8.5A Atoms And Models Question Preview (ID: 38151)


A Review Of Subatomic Particles Atomic Models. TEACHERS: click here for quick copy question ID numbers.

What is the overall charge of a nucleus?
a) Positive
b) Negative
c) Neutral
d) It depends on the atom

What is the densest part of an atom?
a) The electrons
b) The energy shells
c) The nucleus
d) The protons

Which of the following is NOT a subatomic particle in an atom
a) Proton
b) Neutron
c) Electron
d) Nucleus

Rutheford discovered that the atom consist of mostly emtpy space with....
a) protons orbiting a dense nucleus made of mostly electrons and neutrons
b) electrons orbiting a dense nucleus made of protons and neutrons
c) Neutrons and Protons orbiting the electron cloud
d) Electrons and protons orbiting a cloud of nuetrons

Which is not true about the nucleus?
a) It consist of protons and electrons
b) It consist of protons and neutrons
c) It is where most of the mass of the atom is located
d) It is surrounded by the electron shell

Which is not true about the Electron cloud
a) It is dense
b) It is mostly empty space
c) It contains negatively charged particles
d) It has a lot of volume but very little mass

Which of the following best describes an electron?
a) It has very little mass and is located in the nucleus
b) It has a lot of mass and is located in the nucleus
c) It has very little mass and is located in the electron cloud surrounding the nucleus
d) it has a lot of mass and is located in the electron cloud surrounding the nucleus

Which of the following best describes a proton?
a) It has a lot of mass and is inside the nucleus
b) It has very little mass and is inside the nucleus
c) It has very little mass and is in the cloud surrounding the nucleus
d) It has a lot of mass and is in the cloud surrounding the nucleus

Which of the following best describes a Neutron
a) It is inside the nucleus and negatively charged
b) It is outside the nucleus and negatively charged
c) It is inside the nucleus and neutrally charged
d) It is outside the nucleus and neutrally charged

What is a disadvantage of the BOHR model
a) Electrons do not orbit around the nucleus like planets around the solar system
b) Electrons are not easily visible
c) You cannot easily see the number of subatomic particles present
d) There is none!

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