To form an ion, a sodium atom
A) gains two electrons.
B) gains one electron.
C) loses two electrons.
D) loses seven electrons.
E) loses one electron.
Correct Answer:
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Q4: An anion always
A)has a negative charge.
B)contains a
Q5: How many valence electrons are in the
Q6: Elements in group 2A (2)of the periodic
Q7: In an electron-dot structure of an element,
Q10: What is the symbol for the ion
Q11: How many valence electrons does nitrogen have?
A)one
B)two
C)three
D)four
E)five
Q12: What is the formula of the nitride
Q13: How many electrons will aluminum gain or
Q14: How many valence electrons does carbon have?
A)one
B)two
C)three
D)four
E)five
Q14: What is the correct formula for the
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