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- 1. Multiple Choice
Ammonium ion (NH4+) is an example for
Covalent compound
Coordinate compound
Ionic compound
Metallic compound
- 2. Multiple Choice
Which type of chemical bond is formed in Aluminum wire?
Metallic
Ionic
Covalent
Dative
- 3. Multiple Choice
What is the basis of a metallic bond?
The attraction of neutral metal atoms.
The attraction between positive metal ions and interlocking electrons.
The attraction between protons and neutrons.
The attraction between positive metal ions and free floating electrons.
- 4. Multiple Choice
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
- 5. Multiple Choice
What type of bond is illustrated above?MetallicIonicCovalentWiggly - 6. Multiple Choice
How can coordinate covalent 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
- 7. Multiple Choice
How can coordinate covalent 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
- 8. Multiple Choice
Which of these statements best describes a coordinate covalent bond?
A pair of electrons shared between two atoms where each atom has donated one electron.
A pair of electrons shared between two atoms where one atom has donated two electrons.
Two pairs of electrons shared between two atoms where each atom has donated one electron.
Two pairs of electrons shared between two atoms where each atom has donated two electrons.
- 9. Multiple Choice
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.
- 10. Multiple Choice
Name the type of bond formed in ammonium ion.
Covalent bond
Coordinate Covalent bond
Hydrogen bond
Metallic bond
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