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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