The atomic number (Z) is the number of ________ found in the nucleus of an atom.
A) neutrons
B) protons
C) protons and neutrons
D) electrons
E) protons and electrons
Correct Answer:
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Q4: Which of the following statements about the
Q7: Rank in the order of increasing mass.
A)
Q8: A new compound was recently discovered and
Q9: Identify the characteristics of a solid.
A) definite
Q10: A sample of a compound containing only
Q11: A scientific law
A) is a brief statement
Q13: Identify the characteristics of a gas.
A) definite
Q15: An element has three stable isotopes with
Q17: Give the composition of hydrogen peroxide.
A) two
Q18: A substance composed of two or more
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