How many valence electrons does the representative element with the electron configuration 1s2 2s2 2p6 3s2 3p5 possess?
A) 5
B) 3
C) 6
D) 7
Correct Answer:
Verified
Q2: Elements in groups IIA and VA of
Q3: Which of the following is the correct
Q4: Determine the number of valence electrons in
Q5: Which of the following statements about the
Q6: Which option will correctly fill in the
Q7: The notation Y3- denotes a Y atom
Q8: Which of the following ions would not
Q9: Which statement is incorrect?
A) An anion is
Q10: Which is the electron configuration for a
Q11: Which of the following represents the electron
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