Which of the following compounds is an example of a covalent compound? (2019)

Which of the following compounds is an example of a covalent compound? (2019)

Step 1: Understand what a covalent compound is. A covalent compound is formed when two or more non-metal atoms share electrons.
Step 2: Look at the options given in the question. Identify the compounds listed.
Step 3: Check if the compound is made of non-metals. For example, SiO2 is made of silicon (Si) and oxygen (O), both of which are non-metals.
Step 4: Determine if the compound involves sharing of electrons. In SiO2, silicon shares electrons with oxygen to form bonds.
Step 5: Conclude that SiO2 (silicon dioxide) is a covalent compound because it is formed by the sharing of electrons between silicon and oxygen.

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