[8th Grade] Week 4 Quiz
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Last updated 11 months ago
6 questions
1
A compound has to have 2 or more atoms化合物必须有 2 个或更多原子, 正确或错误
A compound has to have 2 or more atoms
化合物必须有 2 个或更多原子, 正确或错误
1
This could be an artist's picture of:
This could be an artist's picture of:
1
Which of these are correct chemical formulas?哪些是正确的化学式？
Which of these are correct chemical formulas?
哪些是正确的化学式？
1
Which of these is the smallest unit of an element
Which of these is the smallest unit of an element
1
Explain why O2 and O3 are different compounds解释为什么 O2 和 O3 是不同的化合物
Explain why O2 and O3 are different compounds
解释为什么 O2 和 O3 是不同的化合物
1
Which method is best for separating a homogenous mixture of water and acetone?哪种方法最适合分离水和丙酮的同质混合物？
Which method is best for separating a homogenous mixture of water and acetone?
哪种方法最适合分离水和丙酮的同质混合物？