Which of the following elements has only 12 protons?
A) C
B) Zn
C) Mg
D) O
E) none of the above
Correct Answer:
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Q48: Which of the following is NOT a
Q49: What is the correct chemical symbol for
Q50: The atomic mass unit is defined as:
A)the
Q51: An atom containing 7 protons,8 neutrons,and 7
Q52: Which statement reflects the results of Rutherford's
Q54: Which statement below accurately describes the contributions
Q55: What is the atomic symbol for silver?
A)S
B)Ag
C)Au
D)Si
E)none
Q56: Which statement below accurately describes the contributions
Q57: Which of the following statements about the
Q58: What is the atomic symbol for tin?
A)Sn
B)Ti
C)Tn
D)Si
E)none
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