A Copper (II) ion forms when a copper atom
A) gains one electron.
B) gains two electrons.
C) loses one electron.
D) loses two electrons.
Correct Answer:
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Q10: Which is an anion?
A)A chromium (III)ion
B)A chromate
Q11: Which is a diatomic element?
A)Sodium
B)Cobalt
C)Argon
D)Nitrogen
Q12: An oxide ion forms when an oxygen
Q13: A chloride ion forms when a chlorine
Q14: What is the correct name for the
Q16: What is the correct name for the
Q17: Which is a cation?
A)An iodide ion
B)A sulfate
Q18: Which is an anion?
A)A strontium ion
B)A manganese
Q19: A potassium atom is converted to a
Q20: What is the correct name for the
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