CHAPTER 25 UPDATED ACTUAL QUESTIONS
AND CORRECT ANSWERS
◉ Mg⁺², Ca⁺², Sr⁺², Ba⁺², Zn⁺².
Answer: Positive ions with a 2+ charge
◉ Al⁺³.
Answer: Positive ion with a 3+ charge
◉ NH₄⁺.
Answer: Positive polyatomic ion
◉ Cu⁺, Cu²⁺.
Answer: cuprous, cupric
◉ Pb²⁺, Pb⁴⁺.
Answer: plumbous, plumbic
◉ Fe²⁺, Fe³⁺.
Answer: ferrous, ferric
, ◉ Mn²⁺.
Answer: manganese (II)
◉ Hg₂²⁺, Hg²⁺.
Answer: mercurous, mercuric
◉ Sn²⁺, Sn⁴⁺.
Answer: stannous, stannic
◉ Cr²⁺, Cr³⁺.
Answer: chromium (II), chromium (III)
◉ Ni²⁺.
Answer: nickel (II)
◉ Br⁻, I⁻, Cl⁻, H⁻, F⁻,.
Answer: Negative ions with a 1- charge (-ide)
◉ S²⁻, O²⁻, O₂²⁻.
Answer: Negative ions with a 2- charge (-ide)