Intro to Chemistry Final Exam Newest 2026
Questions and Correct Detailed Answers
Already Graded A+
What is a solution? - CORRECT ANSWER-A homogeneous mixture with uniform
composition.
What distinguishes a solution from a heterogeneous mixture? - CORRECT
ANSWER-A heterogeneous mixture has visible different phases.
What is an unsaturated solution? - CORRECT ANSWER-A solution that can
dissolve more solute.
What is a saturated solution? - CORRECT ANSWER-A solution that contains
maximum dissolved solute.
What is a supersaturated solution? - CORRECT ANSWER-A solution that
contains more solute than normally possible (unstable).
, What is an ionic bond? - CORRECT ANSWER-An ionic bond is the electrostatic
attraction between oppositely charged ions, formed when one atom transfers
electrons to another.
Why do atoms follow the octet rule? - CORRECT ANSWER-Atoms tend to gain,
lose, or share electrons to achieve 8 valence electrons, which makes them more
stable.
What is the difference between a cation and anion? - CORRECT ANSWER-A
cation is a positively charged ion (lost electrons), while an anion is a negatively
charged ion (gained electrons).
Why do metals and nonmetals form ionic bonds? - CORRECT ANSWER-Metals
lose electrons easily and nonmetals gain electrons easily, making electron transfer
favorable.
Why are ionic compounds neutral? - CORRECT ANSWER-The total positive
charge equals the total negative charge, resulting in no overall charge.
Why do ionic compounds have high melting points? - CORRECT ANSWER-Ionic
compounds have strong electrostatic attractions between ions, requiring a lot of
energy to break.
Questions and Correct Detailed Answers
Already Graded A+
What is a solution? - CORRECT ANSWER-A homogeneous mixture with uniform
composition.
What distinguishes a solution from a heterogeneous mixture? - CORRECT
ANSWER-A heterogeneous mixture has visible different phases.
What is an unsaturated solution? - CORRECT ANSWER-A solution that can
dissolve more solute.
What is a saturated solution? - CORRECT ANSWER-A solution that contains
maximum dissolved solute.
What is a supersaturated solution? - CORRECT ANSWER-A solution that
contains more solute than normally possible (unstable).
, What is an ionic bond? - CORRECT ANSWER-An ionic bond is the electrostatic
attraction between oppositely charged ions, formed when one atom transfers
electrons to another.
Why do atoms follow the octet rule? - CORRECT ANSWER-Atoms tend to gain,
lose, or share electrons to achieve 8 valence electrons, which makes them more
stable.
What is the difference between a cation and anion? - CORRECT ANSWER-A
cation is a positively charged ion (lost electrons), while an anion is a negatively
charged ion (gained electrons).
Why do metals and nonmetals form ionic bonds? - CORRECT ANSWER-Metals
lose electrons easily and nonmetals gain electrons easily, making electron transfer
favorable.
Why are ionic compounds neutral? - CORRECT ANSWER-The total positive
charge equals the total negative charge, resulting in no overall charge.
Why do ionic compounds have high melting points? - CORRECT ANSWER-Ionic
compounds have strong electrostatic attractions between ions, requiring a lot of
energy to break.
