VERSION [QUESTIONS AND ANSWERS] WITH STUDY GUIDE
DETAILED AND VERIFIED FOR GUARANTEED PASS-
LATEST UPDATE 2025 GRADED A
H - CORRECT ANSWER a bulk element
Na - CORRECT ANSWER a bulk element
K - CORRECT ANSWER a bulk element
Ca - CORRECT ANSWER a bulk element
C - CORRECT ANSWER a bulk element
N - CORRECT ANSWER a bulk element
O - CORRECT ANSWER a bulk element
P - CORRECT ANSWER a bulk element
S - CORRECT ANSWER a bulk element
Cl - CORRECT ANSWER a bulk element
Trace Elements - CORRECT ANSWER found in small amounts
but are still crucial for life, larger elements, metals and transition
metals, form ions instead of covalent bonds.
Bent - CORRECT ANSWER Bond angle is 104.5°, ex. water
Linear - CORRECT ANSWER Bond angle is 180°, common with
triple bonds, ex. carbon dioxide
,Trigonal planar - CORRECT ANSWER Bond angle is 120°,
common with double bonds
Trigonal pyramidal - CORRECT ANSWER Bond angle is 107.5°,
common with nitrogen atoms
Tetrahedral - CORRECT ANSWER Bond angle is 109.5°, common
with carbon atoms that have all single bonds.
Organic chemistry - CORRECT ANSWER focuses on properties
of carbon compounds
Carbon's unique properties - CORRECT ANSWER 4 valence
electrons that can form 4 bonds with many other atoms
Structures carbon can form - CORRECT ANSWER polymers,
cyclic compounds, triple bonds, double bonds
Alkanes - CORRECT ANSWER straight chains of carbons
surrounded by hydrogens
Methane - CORRECT ANSWER CH4
Ethane - CORRECT ANSWER C2H6
Propane - CORRECT ANSWER C3H8 (g)
Butane - CORRECT ANSWER C4H10
Pentane - CORRECT ANSWER C5H12
Chemical formula for propane - CORRECT ANSWER C3H8
Condensed formula for propane - CORRECT ANSWER
CH3CH2CH3
, Kekule structure for propane - CORRECT ANSWER
Line-bond formula for propane - CORRECT ANSWER
R - CORRECT ANSWER "the rest of the molecule"
Alkene - CORRECT ANSWER
Alkyne - CORRECT ANSWER
Alcohol - CORRECT ANSWER
Aldehyde - CORRECT ANSWER
Amine - CORRECT ANSWER
Amide - CORRECT ANSWER
Benzene - CORRECT ANSWER
Carboxylic acid - CORRECT ANSWER
Ketone - CORRECT ANSWER
Thiol - CORRECT ANSWER
Biomolecule - CORRECT ANSWER molecules that are part of the
cell or are excreted by cells
ATP - CORRECT ANSWER adenosine triphosphate, critical for
energy production, carbon skeleton with many functional groups
including phosphoryl groups.
Macromolecules - CORRECT ANSWER large biomolecules, mass
of 5,000 g/mol or more