The atomic number is the number of ____ contained in the nucleus.
A) neutrons
B) electrons
C) protons
D) positrons
Correct Answer:
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Q7: An element with an atomic number of
Q8: Groups of the periodic table
A)represent elements with
Q9: The unit of mass is the
A)m/sec.
B)kg.
C)mm.
D)cc.
Q10: In a vacuum, electromagnetic radiation
A)has a velocity
Q11: In the excitation process, electrons in an
Q13: An electron is _ charged and has
Q14: If the frequency of a wave is
Q15: Electromagnetic radiation with a frequency of 2,000
Q16: The maximum number of electrons found in
Q17: Calculate the velocity of red light with
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