2449.
General Science & Ability
Can sound travel through a perfect vacuum?
No
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2450.
General Science & Ability
What form of energy is stored because of an object's position or configuration?
Potential energy
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2451.
General Science & Ability
What form of energy does a moving object possess?
Kinetic energy
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2452.
General Science & Ability
What is the SI unit of energy?
Joule (J)
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2453.
General Science & Ability
What is the SI unit of force?
Newton (N)
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2454.
General Science & Ability
What is the pH of a neutral aqueous solution at about room temperature?
7
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2455.
General Science & Ability
A substance with a pH below 7 is generally classified as what?
Acidic
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2456.
General Science & Ability
What does the atomic number of an element represent?
The number of protons in its nucleus
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2457.
General Science & Ability
Which subatomic particle has no net electric charge?
Neutron
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2458.
General Science & Ability
Which subatomic particle carries a positive electric charge?
Proton
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2459.
General Science & Ability
Which subatomic particle carries a negative electric charge?
Electron
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2460.
General Science & Ability
What is the central positively charged part of an atom called?
The nucleus
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