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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
2
B
1
C
4
D
3
2) What is the name of the center of the atom?
A
Proton
B
Nucleus
C
Electron cloud
D
Neutron
3) Where are the electrons found?
A
In the electron cloud
B
In the nucleus
4) How is overall net charge calculated?
A
Adding the protons and the electrons
B
Adding the protons and the neutrons
C
Only the protons
D
Only the electrons
5) How is overall mass of an atom calculated?
A
Adding the protons and the electrons
B
Adding the protons and the neutrons
C
Only the neutrons
D
Only the protons
6) What makes each atom/element unique?
A
The number of protons
B
The number of neutrons
C
The nucleus
D
The number of electrons
7) What makes an atom become negatively charged?
A
More electrons than protons
B
More protons than electrons
C
Less electrons
D
More neutrons than protons
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 small sprinkle
C
The size of a desk
D
The size of a yoga ball
9) If we were 10 million times bigger, we would be nearly the size of:
A
The moon
B
The Earth
C
America
D
Delaware
10) What is in between the nucleus and the electrons?
A
More protons
B
Empty space
C
More neutrons
D
Mass
11) Where are electrons most likely to be found?
A
In the nucleus
B
Closest to the nucleus, in the cloud
C
The furthest point away from the nucleus, in the cloud
12) What is the current model of the atom called?
A
The orbit model
B
The probability model
C
The nuclear model
D
The Bohr 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 found in droplets which are much larger than oxygen particles.
C
COVID is large but oxygen is larger
*select an answer for all questions
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