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WorksheetsChapter 5: Chemical Bond
Total questions: 16
Worksheet time: 45mins
The diagram above gives information on elements X and Y.
Which of the following is the electron arrangement of the compound formed when element X and Y react?
Which of the following describes covalent bonds?
Bonds form because of opposite charges
electrons are shared to fill outer electron shells
Electrons are transferred between atoms
Covalent bonds are magical
Ammonium ion (NH4+) is an example for
Covalent compound
Coordinate compound
Ionic compound
Metallic compound
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
What is the basis of hydrogen bond?
Attraction forces between hydrogen atom bonded with another hydrogen atom
Attraction forces between hydrogen atom bonded with a high electronegativity atom (F, O, N)
Attraction forces between hydrogen atom bonded with a high electronegativity atom (F, O, N) with atom (F, O, N) of another molecule
Attraction forces between hydrogen atom with another hydrogen atom of another molecule
Which of these compounds will have the highest boiling point?
Br2
NaCl
C3H7OH
Cl2
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
Explain why compound that are formed from the reaction between
(i) elements P and Q can conduct electricity in molten state. ( 3 marks)
(ii) elements Q and R cannot conduct electricity. ( 2 marks)
