Colegio San PatricioQuiz - Covalent Bonds

1.- Covalent bonding normally occurs between which type of elements?a) metals only b) nonmetals only c) metal and nonmetals

2.- The electron dot diagram that correctly shows the bonding in H2N2 is: a)

b) c)

3.- Which Lewis-dot structure represents a substance that contains a nonpolar covalent bond?

a) b) c)

4.- Which pair of bonds will share electrons when a bond is formed between them?a) Ba and I b) Br and He c) Cl and Br d) Li and I

5.- Which formula is described correctly?a) BaCl2 is covalent b) H2O is ionic c) CH4 is covalent d) NaCl is metallic

6.- Electrons are shared unequally is aa) polar covalent bond b) nonpolar covalent bond c) ionic bond

7.- What type of bond is formed between carbon and nitrogen in HCN?a) single bond b) double bond c) triple bond d) ionic bond

8.- Which is the correct Lewis structure for COCl2?

a) b) c) d)

9.- Which Lewis structure is incorrect?

a) H-C C-H b) c) d)

10.- Identify the following molecular structures as linear, bent, trigonal planar, pyramidal or tetrahedral.