Writing Formulas for Covalent Compounds

Writing Formulas for Covalent Compounds

Assessment

Interactive Video

Physics, Science, Chemistry

10th Grade - University

Hard

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The video tutorial explains how to write formulas for covalent compounds, which form between non-metals or anions. Unlike ionic compounds, covalent compounds do not require charge cancellation. The tutorial outlines two steps: identifying element symbols and using prefixes to determine the number of each element. Examples include carbon monoxide, tetrasulfur difluoride, trinitrogen octabromide, and phosphorus tetrahydride, demonstrating the application of these rules.

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5 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What are the two basic steps to follow when writing the formulas for covalent compounds?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the significance of prefixes in naming covalent compounds.

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

How do you determine the formula for carbon monoxide?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What does the prefix 'tetra' indicate when writing the formula for a compound?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe how to write the formula for phosphorus tetrahydride.

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