What is the electron configuration for potassium (atomic number 19) ?
A) 1s22s22p63s23p7
B) 1s22s22p6 3s23p53d2
C) 1s22s22p83s23p5
D) 1s22s22p63s23p64s1
E) 1s22s22p63s23p54s1
Correct Answer:
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Q2: The elements lithium,sodium,and potassium _.
A)are isotopes of
Q43: Valence electrons are electrons located _.
A)in the
Q50: The number of electron levels in a
Q50: The number of electrons in the outer
Q51: The electron arrangement of any particular atom
Q52: What element has the electron configuration 1s22s22p63s23p2?
A)carbon
B)oxygen
C)sulfur
D)iron
E)silicon
Q56: A sample of chlorine has two naturally
Q58: Which of the following electron configurations is
Q60: The number of valence electrons found in
Q60: What is the abbreviated electron configuration for
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