1) In a Lewis dot symbol, the atomic symbol of an element is used to represent a) the nucleus b) the nucleus and valence electrons c) the nucleus and inner electrons d) the nucleus and all electrons 2) The basic principle in the formation of electrovalent bond is a) the transfer of electrons from metals to non-metals b) the sharing of electrons between non-metals c) the formation of positive ions d) the formation of negative ions 3) The combination of elements which form ionic bond is a) Nitrogen - Fluorine b) Carbon - Chlorine c) Potassium - Bromine d) Sulphur - Oxygen 4) There are 3 types of covalent bond, which is single, double and triple bonds. Which of the following is the shortest bond? a) Single bond b) Double bond c) Triple bond 5) This is an example of a _______ bond. a) covalent b) ionic c) metallic d) dative 6) How many electrons are shared in a triple bond? a) 2 b) 3 c) 6 d) 8

UNEARTHING CHEMICAL BONDS

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