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Chapter 10

QuestionAnswer
Lewis theory chemical bond involves sharing or transfer to be stable electron
If electrons are shared bond is --- covalent bond
If electrons are transferred bond is ionic bond
Stable means 8 electrons
Atoms transfer or share electrons to obtain outer shells with 8 electrons true
Lewis model predicts that the formula of a compound formed between bromine and aluminum is: AlBr3
Lewis Structure only use valance electrons in determining the bonding True
Having eight valence electrons is very stable and is called an octet true
A correct Lewis structure for an atom of carbon would have eight dots surrounding the symbol of the element false
correct Lewis structure for potassium in KCl is K+ true
chlorine has 8 valence electrons in Lewis structure for true
Lewis theory predicts that formula for a compound of magnesium and sulfur is MgS2. False
Lewis theory predicts that the formula for a compound made of sodium and fluorine is NaF true
Lewis theory predicts that the formula for a compound made of aluminum and phosphorus is AlP true
When a nonmetal bonds with a nonmetal a molecular compound forms. a covalent bond is involved. electrons are shared
Electrons that are shared between two atoms are called bonding pair electrons
What is the correct Lewis structure for water? H-o -H with four dots around o
Double bonds are shorter and stronger then single true
Triple bonds are even shorter and stronger then double bound true
What is the correct Lewis structure for O2 Double dot on top and bottom of each o with double line connecting them
How many bonding electrons are in the Lewis structure of N2 6
Lewis structure of water has two sets of lone pair electrons. true
The double bond is shorter and stronger than a single bond true
triple bond in diatomic nitrogen, N2, is what makes this molecule so reactive false
When calculating the number of electrons for the Lewis's structure of a polyatomic ion, subtract one electron for each negative charge False add one for negative charge
How many valence electrons are in the nitrate ion 24
The total number of electrons to be counted for the Lewis structure of the PO43- polyatomic ion is 32
What is the correct Lewis structure for CN [: C≡ N :]⁻
The correct Lewis structure for BF3 would have exactly no double bonds
VSEPR theory is an idea that electron group like lone pairs dingle bonds and multiple bonds repel each other true
What is the angle between electron groups in the linear electron geometry? 180 degree
What is the angle between electron groups in the tetrahedral geometry 109.5
What is the electron geometry if you have 4 electron groups around the center atom? tetrahedral
What is the molecular geometry if you have a double bond, a single bond and 1 lone pair around the central atom? bent
slide 180
Created by: user-1984338
 

 



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