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Bond Cleavage
Quiz 1
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Q.1
Can ammonia, NH3 form hydrogen bonds?
Yes
No
Q.2
Why do metals conduct electricity?
They are shiny
The electrons are delocalised and able to move
The electrons are held tightly within the lattice
The electrons are shared between two metal ions
Q.3
Why do metals have high melting points?
They don't
All the electrons become delocalised
The negatively charged electrons act as a glue to hold the positively charged ions together.
Q.4
Predict the bond that will form between S and O.
Ionic
Covalent
Q.5
Predict the bond that will form between Sr and S.
Ionic
Covalent
Q.6
If an atom has 7 protons and 7 electrons what charge will it have?
-2
-1
0
+2
Q.7
If an atom gains two electrons what charge will it have?
-2
-1
+1
+2
Q.8
What kind of bond forms when atoms exchange electrons?
ionic
covalent
artificial
univalent
Q.9
What is the name for an ion with a negative charge?
cation
anion
onion
union
Q.10
What kind of chemical bond forms between a metal and a nonmetal?
ionic
covalent
fake
metallic
Q.11
What is the name for an ion with a positive charge?
cation
anion
onion
union
Q.12
How can dative bond form in hydroxonium ion H3O+?
The pair of electrons not involved in covalent bond in water molecule, H2O will be shared with hydrogen ion H+
Water molecule, H2O and hydrogen ion, H+ will each share one electron
Water molecule, H2O and hydrogen ion, H+ will each share two electrons
Q.13
How can dative bond form between ammonia, NH3 and hydrogen ion, H+ to form ammonium ion, NH4+?
Ammonia, NH3 and hydrogen ion, H+ will each share one electron
The pair of electrons not involved in covalent bond in ammonia, NH3 will be shared with hydrogen ion, H+
Ammonia, NH3 and hydrogen ion, H+ will each share one electron
Q.14
Which type of chemical bond is formed in Aluminum wire?
Metallic
Ionic
Covalent
Dative
Q.15
Why can compounds that can form hydrogen bonds have higher boiling points than compounds that cannot form hydrogen bonds?
Compounds that can form hydrogen bonds need to overcome weak Van der Waals attraction forces
Compounds that can form hydrogen bonds need to overcome strong hydrogen bonds
Compounds that can form hydrogen bonds need to overcome weak Van der Waals attraction forces and strong hydrogen bonds
Q.16
Coordinates bonds are also called ..
ionic bonds
covalent bonds
dative bonds
metallic bonds
Q.17
What is the meaning of Dative Bond?
a covalent bond between two atoms where one of the atoms provides both electrons that form the bond.
a covalent bond between two atoms where both of the atoms provides both electrons that form the bond.
same with an ionic bond
not exist
Q.18
Which of these compounds will have the highest boiling point?
Br2
NaCl
C3H7OH
Cl2
Q.19
Can chlorine, Cl2 form hydrogen bonds?
Yes
No
Q.20
How do you overcome a difficulty in turning the pages of a book when the pages stick together?
Ripping the pages until they are separated
Shake the book until the pages separate
Lick your finger before turning the pages
Blow the pages as hard as you can
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