Which element has the atomic number 9?
A) F
B) Ne
C) B
D) Na
E) Be
Correct Answer:
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Q49: Which of the following statements describes an
Q50: Which element has the atomic number 12?
A)Mg
B)C
C)B
D)Na
E)Be
Q51: What does the following element description
Q52: The following statement describes which subatomic particle
Q53: Which of the following does not describe
Q55: The following statement describes which subatomic particle
Q56: The mass number of an element is
A)the
Q57: What does the following element description actually
Q58: Which of the following statements does not
Q59: What does the following element description actually
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