C4 构成物质的奥秘

C4 构成物质的奥秘

By Michelle Zou

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​分子Molecule

Multiple Choice

对分子的描述中正确的是

• 分子是保持物质性质的一种粒子

• 分子是保持物质性质的最小粒子

• 分子是保持物质化学性质的最小粒子

• 分子是保持物质化学性质的唯一粒子

Multiple Choice

氧气在降温加压变成液态氧的过程中，下列说法正确的是

• 分子之间的间隔变小

• 分子质量变小

• 分子体积变大

• 分子运动速率变大

Multiple Choice

Which substance is not a molecule?

• Neon (Ne)

• Oxygen (O₂)

• Carbon Dioxide (CO₂)

• Nitrogen (N₂)

Multiple Choice

Is Chlorine (Cl₂) an atom or a molecule?

• Atom

• Molecule

​原子Atom

Multiple Choice

下列关于微观粒子的说法正确的是

• 只有离子能够构成物质

• 分子之间有间隙，原子之间没有间隙

• 分子和原子都在不停运动

• 分子和原子在化学变化中能够再分

Multiple Choice

下列物质由原子构成的是

• 氨气 NH3

• 氯化钠NaCl

• 镁Mg

• 水

Multiple Choice

Is Iron (Fe) an atom or a molecule?

• Atom

• Molecule

Multiple Choice

What is the smallest part of an element?

• Element

• Atom

• Molecule

Atoms and Molecules

E l

Multiple Choice

True or False: Hydrogen is a compound.

• True

• False

Multiple Choice

What is a compound?

• Two different elements bonded together.

• Two of the same elements bonded together.

• A mixture of different substances.

• The substances stuck together with glue.

Mixtures are NOT pure substances

Mixtures are not bonded together, therefore there is no chemical change. Each source of matter KEEPS its original properites!

Multiple Choice

Which is it?

• Mixture of Elements and Compounds

• Compound

• Molecule

• Mixture of Elements

• Mixture of Compounds

Multiple Choice

Which is it?

• Mixture of Elements and Compounds

• Compound

• Molecule

• Mixture of Elements

• Mixture of Compounds

Multiple Choice

Which is it?

• Mixture of Elements and Compounds

• Compound

• Molecule

• Mixture of Elements

• Mixture of Compounds

Multiple Choice

Which is it?

• Mixture of Elements and Compounds

• Compound

• Molecule

• Mixture of Elements

• Mixture of Compounds

Multiple Choice

Which is it?

• Mixture of Elements and Compounds

• Compound

• Molecule

• Mixture of Elements

• Mixture of Compounds

Atomic structure

​原子的结构