1) Which particles are involved in ionic bonding? a) Atoms which share delocalised electrons b) Atoms which share pairs of electrons c) Oppositely charged ions 2) Which particles are involved in covalent bonding? a) Atoms which share delocalised electrons b) Atoms which share pairs of electrons c) Oppositely charged ions 3) When does metallic bonding occur? a) In most non-metallic elements and in compounds of non-metals b) In compounds formed from metals combined with non-metals c) In metallic elements and alloys 4) Which type of bonding is found in sodium chloride? a) Ionic b) Covalent c) Metallic 5) Predict the bond that will form between Ca and F. a) Ionic b) Covalent c) Hydrogen d) Metallic 6) Which of the following is true about covalent compounds? a) High melting point b) Can dissolve in water c) Cannot dissolve in water d) Low melting point e) Can conduct electricity 7) Which of the following have the same number of electrons? [proton number: F, 9; Na, 11; Mg, 12; Cl, 17; K, 19] a) Na+ and K+ b) F- and Cl- c) Na+ and Mg2+ d) Na+ and Cl- 8) What is meant by dative bond? a) A bond formed between a hydrogen atom and a highly electronegative atom. b) A covalent bond in which a pair of electrons are shared from only one atom. c) A bond formed by electrostatic attraction force between sea of electrons and metal ions. d) Bond formed from electron sharing between non-metal atoms. 9) What is meant by hydrogen bond? a) A bond formed between a hydrogen atom and a highly electronegative atom. b) A covalent bond in which a pair of electrons are shared from only one atom. c) A bond formed by electrostatic attraction force between sea of electrons and metal ions. d) Bond formed from electron sharing between non-metal atoms. 10) Water molecules tend to make _____________ bonds with each other. a) ionic b) polar covalent c) metallic d) hydrogen

Quiz 2

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