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Unit 4 Academic Chem Review Flashcards | StudBud
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Unit 4 Academic Chem Review
Unit 4 Academic Chem Review
20 terms
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#bonding #nomenclature
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
True or False - Ionic compound formulas should be simplified. Covalent compound formulas should not.
True
False
2
I form a nonpolar covalent bond (NPC) if my electronegativity difference is _____
- 1
between .51 to 1.70
less than 0.5
More than 1.71
3
How many VALENCE electrons are there in ammonium, NH
4
+1
? Think about the charge!
5
8
9
10
4
True or False - If my acid includes a polyatomic ion, I do
NOT
write hydro in the written name.
False
True
5
How many VALENCE electrons are there in the acid HCl?
10
7
8
1
6
How many VALENCE electrons are there in chlorite, ClO
2
-1
? Think about the charge!
19
22
12
20
7
If my VSEPR term is AX
3
E
1
, my molecular geometry is _______.
Trigonal Planar
Linear
Bent
Trigonal Pyramidal
8
Which of the following is a property of covalent compounds?
Low boiling point
All of the answer choices
Low melting point
Does NOT conduct electricity
9
Which of the following is NOT a property of ionic compounds?
high melting point
low boiling point
conducts electricity when dissolved in water
hard and brittle
10
If the electronegativities between two atoms are extremely different (more than 1.7), they will likely form a _____?
Nonpolar Covalent Bond
Polar Covalent Bond
James Bond
Ionic Bond
11
The prefix di is ____ and the prefix deca is _____.
1 ; 10
2 ; 10
2 ; 5
1 ; 3
12
The most electronegative element on the period table is ___
He
H
Cl
F
13
What atom goes in the center of the molecule CHBr
3
?
C
Br
H
14
Why is a molecule polar?
No lone pairs on central atoms, Symmetric, or both
Lone pairs on central atom, Asymmetric, or both
15
Which structure would include a double bond? Hint - think about the HONC Rule!
CH4
F2
O2
HCl
16
Where can I find a list of polyatomic ions and their charges if I forgot?
On the back of the reference sheet
Out the window
Up my sleeve
On my belly button
17
What is the formula for calcium bromate? Hint - bromate is a polyatomic ion!
Ca(BrO3)2
Ca2BrO3
Ca2BrO
CaBr
18
Water has a bent structure. What is it's VSEPR term?
AX2
AX3
AX2E2
AX3E1
19
What is the correct written name for SCl
2
?
Sulfur (VI) chloride
Sulfur chloride
Monosulfur dichloride
Sulfur dichloride
20
Ionic compounds are between a ______ and ______ or include polyatomic ions.
Nonmetal and Acid
Nonmetal and nonmetal
Metal and nonmetal
Metal and Metal
