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Semester 1 Test Part 2
Test Description: Semester 1
Instructions: Answer all questions to get your test result.
1) What subatomic particles are outside of the nucleus?
A
electrons
B
quarks
C
protons
D
neutrons
2) What type of charge does the nucleus have?
A
No charge
B
A negative charge
C
A positive charge
D
A neutral and a positive charge
3) You push a box with 50 N and your friend pushes the other way with 40 N.
A
The box will not move.
B
The box will move 10 N the direction your friend pushes it.
C
The box will move upwards.
D
The box will move 10 N the direction you push it.
4) A Barbie doll is riding on a toy car, when it hits a shoe and she goes flying--why?
A
gravity
B
mass and acceleration
C
inertia
D
action and reaction
5) What is located in the outer shell of atoms?
A
neutrons
B
all electrons
C
valence electrons
D
protons
6) How do you know the number of valence electrons an element has?
A
the period number
B
there is no way to tell
C
the atomic number
D
the group number
7) The zig zag line on the periodic table separates...
A
metals and nonmetals
B
large atomic mass and small atomic mass
C
alkali and alkaline earth metals
D
halogens and noble gasses
8) The number of neutrons in an atom of Potassium...
A
19
B
1
C
39
D
20
9) An atom with 1 or 2 valence electrons is...
A
impossible to know
B
somewhat reactive
C
will not react with anything
D
very reactive
10) On a roller coaster, small kids get knocked around more than big kids. Why?
A
Forces are acting only on the small kids.
B
This could never happen.
C
It takes more force to move something with more mass.
D
Something will stay at rest until there is an outside force
*select an answer for all questions
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