The number of valence electrons for atomic potassium is ________.
A) 1
B) 5
C) 6
D) 15
E) 19
Correct Answer:
Verified
Q40: Which statement best describes relationships in a
Q41: Which of the following has the greatest
Q42: Which species is diamagnetic?
A)atomic sodium
B)atomic fluorine
C)iron(III)ion
D)calcium(II)ion
E)cobalt(II)ion
Q43: Which of the following has the smallest
Q44: List in order of increasing charge of
Q46: List in order of increasing size: Cl-,Ar,K+,S2-,Ca2+.
A)Ca2+
Q47: If the formula of an oxide is
Q48: Why is the electron affinity slightly positive
Q49: Which of the following species is most
Q50: Which of the following reactions gives a
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