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8Fa Dalton's Atomic model alpha

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Last updated 8 months ago
10 questions
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Question 7
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Question 8
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Question 9
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Question 10
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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
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
According to Dalton, what happens during a chemical reaction?
Atoms are split into smaller parts
Atoms are rearranged
Atoms disappear
Atoms change into energy
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
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
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
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
Which of the following is NOT a property of a solid?
Definite volume
Fixed shape
Easily compressed
Particles tightly packed together
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
Which state of matter has the most energy?
Solid
Liquid
Gas
Plasma