CHEM 210 TEST 8 EXAM SCRIPT 2026 QUESTIONS WITH COMPLETE SOLUTIONS GRADED A+

CHEM 210 TEST 8 EXAM SCRIPT 2026
QUESTIONS WITH COMPLETE SOLUTIONS
GRADED A+

◉ When does a positive ion form? Answer: when an atom loses one
or more valence electrons


◉ When does a negative ion form? Answer: when an atom gains one
or more valence electrons


◉ A positively charge ion is a ________. Answer: cation


◉ negatively charged ion is a ________. Answer: anion


◉ Metals usually form positively charged ions called ______. Answer:
cations


◉ Nonmetals usually form negatively charged ions called _______.
Answer: anions


◉ A _______ bond forms from the electrostatic force that holds
oppositely charged particles together. Answer: ionic

, ◉ This is an ionic compound whose aqeuos solution conducts an
electric current Answer: electrolyte


◉ This is the force that pulls apart electrons in an atomic bond
Answer: lattice energy


◉ The more negative the lattice energy the ___________ the force of
attraction Answer: stronger


◉ Lattice energy is directly related to what? Answer: the size of the
ions bonded


◉ The value of lattice energy is affected by what? Answer: the
charge of the ion


◉ This is the simplest ratio of ions represented in an ionic
compound. Answer: formula unit


◉ Write the name for NaCl Answer: sodium chloride


◉ Write the formula for strontium oxide Answer: SrO