This worksheet contains questions asking students to write the formulas for given covalent compound names and the names for given covalent compound formulas. The questions cover a variety of common polyatomic ions and small molecules, including antimony tribromide, hexaboron silicide, chlorine dioxide, hydrogen iodide, iodine pentafluoride, dinitrogen trioxide, ammonia, phosphorus triiodide, P4S5, NO2, SeF6, Si2Br6, SCl4, CH4, B2Si, and NF3.

1. Name__________________________________________________ Group ______
Date____________________________________________________ List #_______
Covalent Compounds Worksheet
Write the formulas for the following covalent compounds:
1) antimony tribromide __________________________________
2) hexaboron silicide __________________________________
3) chlorine dioxide __________________________________
4) hydrogen iodide __________________________________
5) iodine pentafluoride __________________________________
6) dinitrogen trioxide __________________________________
7) ammonia __________________________________
8) phosphorus triiodide __________________________________
Write the names for the following covalent compounds:
9) P4S5 __________________________________
10) NO2 __________________________________
11) SeF6 __________________________________
12) Si2Br6 __________________________________
13) SCl4 __________________________________
14) CH4 __________________________________
15) B2Si __________________________________
16) NF3 __________________________________
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