1) What happens to an atom of sodium (Na) when it forms an ion? a) It gains one electron b) It loses one electron c) It gains one proton d) It loses one neutron 2) What is the charge on a sodium ion (Na⁺)? a) +1 b) -1 c) +2 d) 0 3) What happens to chlorine (Cl) when it reacts with sodium (Na) to form sodium chloride (NaCl)? a) It loses one electron b) It gains one electron c) It gains one proton d) It loses one neutron 4) What is the correct description of an ionic bond? a) The sharing of electrons between atoms b) The transfer of protons between atoms c) The attraction between positive and negative ions d) The loss of neutrons in atoms 5) Which of the following is a property of ionic compounds? a) They have low melting points b) They conduct electricity when solid c) They have high melting points d) They are poor conductors in solution 6) Which type of element typically forms positive ions in ionic bonding? a) Non-metals b) Metals c) Noble gases d) Metalloids 7) What is the overall charge of an ionic compound like sodium chloride (NaCl)? a) Positive b) Negative c) Neutral d) It depends on the amount of sodium 8) Which of the following compounds contains an ionic bond? a) H₂O b) O₂ c) KCl d) CO₂

Ionic bonding introductory quiz

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