What is the element with the electron arrangement 2,8,7?
A) Be
B) Cl
C) F
D) S
E) Ar
Correct Answer:
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Q40: The atomic number of an atom is
Q41: What is the electron arrangement for aluminum?
A)2,8,3
B)2,8,5
C)2,8,7
D)2,8,8
E)2,8,10
Q42: The maximum number of electrons that may
Q43: Valence electrons are electrons located _.
A)in the
Q44: What element has the electron arrangement 2,8,4?
A)carbon
B)oxygen
C)sulfur
D)iron
E)silicon
Q46: The number of electron energy levels in
Q47: The number of dots in the electron
Q48: What is the electron arrangement for potassium
Q49: A sample of chlorine has two naturally
Q50: The number of electrons in the outer
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