Which of these elements has seven valence electrons?
A) Mg
B) Li
C) Al
D) S
E) Cl
Correct Answer:
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Q39: How many protons (p), neutrons (n), and
Q40: Which of these statements best describes the
Q41: Which of these elements is a metalloid?
A)
Q42: Which of these statements concerning the atomic
Q43: Which of the following elements is generally
Q45: Which of the following is true?
A) Argon
Q46: Which of these elements is a metal?
A)
Q47: Which of these is a nonmetal?
A) Mg
B)
Q48: Elements belonging to the same group have
Q49: Which of these elements has three valence
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