A₁ B3 E₁ = A B3 E Molecular Shape Step 1: Find the Central Atom N Central atom is: Look your line bond structure on page 1. 00 AB₁E3 AB₁E₂ AB₂E DE Step 3: Choose the ABE classification Circle the correct AB, E, notation. Recall, we use (A) to represent the central atom, (B) to represent the number of atoms bonded to the central atom, and (E) to represent the number of lone pairs N AB₁E AB₂E₂ AB₂ AB E AB3 AB4 Step 5: Use the Molecular Shape table from your notes to draw the ball and stick representation of NI3 ( N Central atom A I W Batom surrounding central a tom) lone pair Elon ine paircentral atom Step 2: Count number of atoms bonded to the central atom (B) # of atoms bonded to central atom = B = 3 Count number of lone pairs on the central atom (E) # of lone pairs on central atom = E=__ Step 4: Use the Molecular Shape Table from your notes to select the molecular shape and bond angles. Molecular Shape-yramidal Bond angles = 1100 Step 6: Determine Polarity Is the central atom surrounded by identical electron groups? Circle one: yes no If the answer was yes, then the molecule is nonpolar. If the answer is no, then the molecule is Is the molecule polar? Circle one: yes no 21
A₁ B3 E₁ = A B3 E Molecular Shape Step 1: Find the Central Atom N Central atom is: Look your line bond structure on page 1. 00 AB₁E3 AB₁E₂ AB₂E DE Step 3: Choose the ABE classification Circle the correct AB, E, notation. Recall, we use (A) to represent the central atom, (B) to represent the number of atoms bonded to the central atom, and (E) to represent the number of lone pairs N AB₁E AB₂E₂ AB₂ AB E AB3 AB4 Step 5: Use the Molecular Shape table from your notes to draw the ball and stick representation of NI3 ( N Central atom A I W Batom surrounding central a tom) lone pair Elon ine paircentral atom Step 2: Count number of atoms bonded to the central atom (B) # of atoms bonded to central atom = B = 3 Count number of lone pairs on the central atom (E) # of lone pairs on central atom = E=__ Step 4: Use the Molecular Shape Table from your notes to select the molecular shape and bond angles. Molecular Shape-yramidal Bond angles = 1100 Step 6: Determine Polarity Is the central atom surrounded by identical electron groups? Circle one: yes no If the answer was yes, then the molecule is nonpolar. If the answer is no, then the molecule is Is the molecule polar? Circle one: yes no 21
Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter3: Atomic Shells And Classical Models Of Chemical Bonding
Section: Chapter Questions
Problem 62P: For each of the following molecules or molecular ions, give the steric number, sketch and name the...
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Would u help me with my homework, please?
Transcribed Image Text:A₁ B3 E₁ = A B3 E
Molecular Shape of NI3
Step 1: Find the Central Atom
N
Central atom is:
Look your line bond structure on
page 1.
AB₁E3 AB₁E₂
AB₂E
DE
Step 3: Choose the ABE classification
Circle the correct AB, E, notation.
Recall, we use (A) to represent the
central atom, (B) to represent the
number of atoms bonded to the central
atom, and (E) to represent the number
of lone pairs
N
AB₁E
AB₂E₂ AB₂
AB E
AB3
AB4
Step 5: Use the Molecular Shape
table from your notes to draw the
ball and stick representation
(11N Central atom A
I
N
I
lone
Batom surrounding central a tom)
pair Elon
ine paircentral atoml
Step 2:
Count number of atoms bonded to the central
atom (B)
# of atoms bonded to central atom = B = 3
Count number of lone pairs on the
central atom (E)
# of lone pairs on central atom = E=__
Step 4: Use the Molecular Shape Table from
your notes to select the molecular shape and
bond angles.
Molecular Shape-yramidal
Bond angles = 110°
Step 6: Determine Polarity
Is the central atom surrounded by identical
electron groups?
Circle one: yes no
If the answer was yes, then the molecule is
nonpolar. If the answer is no, then the molecule
is
Is the molecule polar?
Circle one: yes no
21
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