CHEM 121 EXAM 2 TESTBANK CERTIFICATION EVALUATION TESTED QUESTIONS FULL SOLUTION GUIDE

CHEM 121 EXAM 2 TESTBANK CERTIFICATION EVALUATION TESTED QUESTIONS FULL
SOLUTION GUIDE
CHEM 121 EXAM 2 Testbank Questions and
Answers Verified Solutions Latest Update 2026/2027

Question:
Chemical Bond

Answer:
Attractive force that holds 2 atoms together in more complex unit



Question:
A chemical bond

Answer:
Forms as result of interactions between electrons found in combining atoms



Question:
Two Types of Chemical Bonds

Answer:
1) Ionic Bonds 2) Covalent Bonds



Question:
Ionic bond

Answer:
chemical bond formed as result of transfer of 1 or more electrons from 1 atom/group of atoms to
another atom/group of atoms



Question:
Ionic Compound

,Answer:
compound in which ionic bonds are present



Question:
Covalent bond

Answer:
chemical bond formed as result of sharing of 1 or more pairs of electrons between 2 atoms



Question:
Molecular Compound

Answer:
Covalent Compound



Question:
Molecular/Covalent compound

Answer:
compound in which atoms are joined through covalent bonds



Question:
Not all

Answer:
electrons in an atom participate in bonding



Question:
Electrons that

Answer:

,participate in bonding are valence electrons



Question:
Certain arrangements

Answer:
of electrons are more stable than others [explained by octet rule]



Question:
Valence electron

Answer:
electron in outermost electron shell of representative or noble gas element



Question:
In these representative elements or noble gases,

Answer:
valence electrons are found in either s or p subshells



Question:
Number of valence electrons =

Answer:
group number



Question:
Lewis symbol

Answer:
Chemical symbol of element surrounded by dots equal to number of valence electrons

, Question:
Lewis symbol for Hydrogen

Answer:
H•



Question:
Lewis symbol for Helium

Answer:
He ••



Question:
Lewis symbol for Neon

Answer:
•• • Ne •• •



Question:
Lewis symbol for Ca

Answer:
• Ca•



Question:
Lewis symbol for C

Answer:
• Ca •