的意思 covalent formula

1. The covalent formula for water is H2O.
水的共价分子式是H2O。

2. Can you write the covalent formula for carbon dioxide?
你能写出二氧化碳的共价分子式吗？

3. The covalent formula for methane is CH4.
甲烷的共价分子式是CH4。

4. Remember to balance the covalent formula for sulfuric acid.
记得平衡硫酸的共价分子式。

5. Students should be able to identify the covalent formula for common compounds.
学生应该能够识别常见化合物的共价分子式。

6. It is important to understand how to determine the covalent formula for various molecules.
了解如何确定各种分子的共价分子式是很重要的。