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
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
