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Chemistry, Physics
10th -
12thgrade
Integrated Physics and Chemistry Practice
34 questions
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- 1. Multiple Choice
Energy of a rock sitting on a cliff is an example of...
gravitational
elastic
chemical
- 2. Multiple Choice
How do you calculate power?
- 3. Multiple Choice
How much work is done by a motor that lifts a train car on El Toro to the top of a 70-meter hill using a force of 15,000 N?
105,000 J
214.29 J
1,050,000 J
- 4. Multiple Choice
Which combination of fundamental units can be used to express energy?
- 5. Multiple Choice
A car travels at a constant speed v up a hill from point A to point B. As the car travels from A to B, its gravitational potential energy
increases and its kinetic energy remains the same
remains the same and its kinetic energy decreases
- 6. Multiple Choice
Energy from a compressed spring would be an example of...
kinetic
elastic
gravitational
- 7. Multiple ChoiceWhat is the formula for work?Force = work x distanceDistance = force x workWork = force x distanceWork = force x mass
- 8. Multiple Choice
A light plastic cart and a heavy steel cart are both pushed with the same force for a distance of 1.0 m, starting from rest. After the force is removed, the kinetic energy of the light plastic cart is ________ that of the heavy steel cart.
greater than
equal to
- 9. Multiple Choice
If Nellie Newton pushes an object with twice the force for twice the distance, she does:
The same work
Twice the work
Four times the work
- 10. Multiple ChoiceA car that travels twice as fast as another when braking to a stop will skid:Twice as farFour times as farDepends on the mass of the cars
- 11. Multiple Choice
Maximum kinetic energy
A
B
C
D
- 12. Multiple Choice
If this person supplies 90 W of power and does 637 J of work to do 5 reps, how much time does he take to do 5 reps?
- 13. Multiple Choice
What are valence electrons?
The total number of electrons in an atom
The number of electrons in the outermost shell
The number of electrons in the second shell
- 14. Multiple Choice
Which of the following is false about covalent bonds?
Forms by sharing electrons
Forms between 2 nonmetals
Forms by transferring electrons
- 15. Multiple Choice
Which diagram below shows the correct Lewis electron-dot diagram for a molecule PCl3?
- 16. Multiple Choice
What are the elements (Be, Mg, Ca,...) in group 2 called?
Alkali metals
Alkaline earth metals
Halogens
Nobel Gases
- 17. Multiple Choice
What is the correct formula for this molecule?
Si4F4
SiF4
SiF
- 18. Multiple ChoiceWhat is the atomic mass of Neon?1020.1810.1830.18
- 19. Multiple Choice
A proton has a _________ charge.
Negative
Neutral
Positive
- 20. Multiple Choice
Which is larger:
Ca or Ca2+
Ca
Ca+2
both are same size
- 21. Multiple Choice
As you move across the periodic table atoms tend to get smaller because, ______________.
the atoms have more mass.
the atoms have less mass
the atoms have more protons.
- 22. Multiple ChoiceAtoms that have a high electronegativity, _______________.give up their electrons more easily.hold on to their electrons more tightly.have more electron shells.
- 23. Multiple Choice
Ionization energy is...
the energy required to add an electron to a specific atom
how much energy it takes to remove an electron from an atom
the energy required to shield the outer electrons from the nucleus
- 24. Multiple Choice
Group 13 (3A) elements tend to most often acquire which charge when they form ions?
-3
+5
+3
- 25. Multiple Choice
In which pair is the one on the left larger than the one on the right?
K, K+
Br, Br-
- 26. Multiple Choice
The more protons there are, the ________________________.
Weaker the pull
Smaller the electrons
Stronger the pull
- 27. Multiple Choice
The simplest substance is..?
A simple compound
An element
Water
- 28. Multiple ChoiceIs interbonding generally stronger or weaker than intrabondingStrongerWeaker
- 29. Multiple ChoiceWhich type of bond has an unequal sharing of electrons?Polar CovalentNon Polar CovalentIonicMetallic
- 30. Multiple ChoiceWhich type of bond has an equal sharing of electrons?Polar CovalentNon Polar CovalentIonicMetallic
- 31. Multiple Choice
Which type of bond creates a "sea" of electrons between atoms?
Ionic Bonds
Covalent Bonds
Metallic Bonds
Saving Bonds
- 32. Multiple Choice
The transfer of thermal energy between objects of different temperatures is called...
temperature
heat
internal energy
- 33. Multiple Choice
Thermal energy always moves:
From a high temperature object to a lower temperature object.
From a lower temperature object to a higher temperature object.
From an object with lower kinetic energy to an object with higher kinetic energy.
- 34. Multiple Choice
Which is an example of an endothermic physical change?
a) Ice melting
b) Combustion
c) Steam condensing
d) Photosynthesis
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