How many electrons are shared in a double covalent bond?
- A6
- B4
- C8
- D2
How many electrons are shared in a double covalent bond?
Which state of matter has a fixed volume but takes the shape of its container?
Which element is a metalloid?
In 2KClO₃ → 2KCl + 3O₂, how many moles of O₂ form from 4 mol of KClO₃?
What charge do group 16 elements such as oxygen and sulfur usually have as ions?
Which measurement has three significant figures?
Equal masses of sand and water sit in the sun and absorb the same amount of heat. Which warms up more, and why?
반응 2SO₂ + O₂ ⇌ 2SO₃가 평형에 도달했습니다. 평형에서 옳은 설명은 무엇인가요?
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