An ion has a net positive or negative ______.
A) proton
B) isotope
C) charge
D) acid
E) electron
Correct Answer:
Verified
Q29: Energy efficiency refers to _.
A) how much
Q30: Heat is best characterized as a kind
Q31: Which of the following represents kinetic energy?
A)
Q32: Which of the following best illustrates potential
Q33: The mass number of an atom is
Q35: Scientists classify energy as either _.
A) chemical
Q36: What percentage of the energy used to
Q37: Isotopes are forms of an element that
Q38: Which law states that no energy can
Q39: Energy can be formally defined as _.
A)
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