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Investigation 4 Review
Test Description: Reviewing for our summative on particles/atoms and particle size
Instructions: Answer all questions to get your test result.
1) How many subatomic particles are in an atom?
A
4
B
3
C
2
D
1
2) What is the name of the center of the atom?
A
Neutron
B
Nucleus
C
Electron cloud
D
Proton
3) Where are the electrons found?
A
In the nucleus
B
In the electron cloud
4) How is overall net charge calculated?
A
Only the electrons
B
Adding the protons and the neutrons
C
Adding the protons and the electrons
D
Only the protons
5) How is overall mass of an atom calculated?
A
Only the protons
B
Adding the protons and the electrons
C
Adding the protons and the neutrons
D
Only the neutrons
6) What makes each atom/element unique?
A
The nucleus
B
The number of neutrons
C
The number of electrons
D
The number of protons
7) What makes an atom become negatively charged?
A
More protons than electrons
B
More electrons than protons
C
More neutrons than protons
D
Less electrons
8) If an atom were 10 million times bigger, what would it be?
A
The size of a football field
B
The size of a yoga ball
C
The size of a desk
D
The size of a small sprinkle
9) If we were 10 million times bigger, we would be nearly the size of:
A
The moon
B
America
C
Delaware
D
The Earth
10) What is in between the nucleus and the electrons?
A
More protons
B
More neutrons
C
Empty space
D
Mass
11) Where are electrons most likely to be found?
A
The furthest point away from the nucleus, in the cloud
B
Closest to the nucleus, in the cloud
C
In the nucleus
12) What is the current model of the atom called?
A
The nuclear model
B
The orbit model
C
The Bohr model
D
The probability model
13) Why is the COVID particle BLOCKED by a mask, and the oxygen is not?
A
COVID is small enough to fit through the mask
B
COVID is large but oxygen is larger
C
COVID is found in droplets which are much larger than oxygen particles.
*select an answer for all questions
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