8Fa Dalton's Atomic model alpha - Katie Bruce | Laabri

1

What did Dalton believe atoms were?

Tiny particles that can't be divided

Made of electrons and protons

Full of empty space

Made of energy

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Which of the following is a key idea in Dalton's atomic theory?

Atoms of different elements are identical

Atoms can be created or destroyed

Atoms of the same element are identical

Atoms are always changing

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According to Dalton, what happens during a chemical reaction?

Atoms are split into smaller parts

Atoms are rearranged

Atoms disappear

Atoms change into energy

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What property do solids typically have?

They flow easily

They have a fixed shape

They take the shape of their container

They can be compressed easily

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Which of these describes a liquid?

It has a fixed shape

It takes the shape of its container

It can’t flow

It is always solid at room temperature

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What is true about gases?

Gases have a fixed shape

Gases take the shape of their container

Gases are always heavier than solids

Gases can’t be compressed

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What did Dalton say about the mass of atoms?

All atoms have the same mass

Atoms of different elements have different masses

Atoms have no mass

Atoms get heavier in a reaction

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Which of the following is NOT a property of a solid?

Definite volume

Fixed shape

Easily compressed

Particles tightly packed together

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What happens to the particles in a liquid?

They are fixed in place

They move freely

They slide past each other

They are not moving

1

Which state of matter has the most energy?

Solid

Liquid

Gas

Plasma