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8.5A Atoms And Models
Test Description: A review of subatomic particles atomic models
Instructions: Answer all questions to get your test result.
1) What is the overall charge of a nucleus?
A
Neutral
B
Positive
C
It depends on the atom
D
Negative
2) What is the densest part of an atom?
A
The electrons
B
The energy shells
C
The nucleus
D
The protons
3) Which of the following is NOT a subatomic particle in an atom
A
Neutron
B
Nucleus
C
Electron
D
Proton
4) Rutheford discovered that the atom consist of mostly emtpy space with....
A
Electrons and protons orbiting a cloud of nuetrons
B
electrons orbiting a dense nucleus made of protons and neutrons
C
Neutrons and Protons orbiting the electron cloud
D
protons orbiting a dense nucleus made of mostly electrons and neutrons
5) Which is not true about the nucleus?
A
It consist of protons and neutrons
B
It consist of protons and electrons
C
It is surrounded by the electron shell
D
It is where most of the mass of the atom is located
6) Which is not true about the Electron cloud
A
It is mostly empty space
B
It has a lot of volume but very little mass
C
It is dense
D
It contains negatively charged particles
7) Which of the following best describes an electron?
A
It has very little mass and is located in the nucleus
B
It has very little mass and is located in the electron cloud surrounding the nucleus
C
it has a lot of mass and is located in the electron cloud surrounding the nucleus
D
It has a lot of mass and is located in the nucleus
8) Which of the following best describes a proton?
A
It has a lot of mass and is in the cloud surrounding the nucleus
B
It has a lot of mass and is inside the nucleus
C
It has very little mass and is inside the nucleus
D
It has very little mass and is in the cloud surrounding the nucleus
9) 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 outside the nucleus and neutrally charged
D
It is inside the nucleus and neutrally charged
10) What is a disadvantage of the BOHR model
A
Electrons are not easily visible
B
You cannot easily see the number of subatomic particles present
C
Electrons do not orbit around the nucleus like planets around the solar system
D
There is none!
*select an answer for all questions
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