Lesson T2.1.1
T2.1.1 Dalton atomic model Quiz: KS3 Chemistry, Unit 2
20 questions
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Lesson T2.1.1, Dalton atomic model: 20 multiple choice questions for the KS3 Chemistry (National Curriculum), Unit 2: Atoms, elements and compounds, written with Revision Ninja.
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The 20 questions
-
In Dalton's atomic model, how is an atom described?
- Empty shell
- Positive pudding
- Nuclear cloud
- Indivisible sphere
-
According to Dalton, what is true of all atoms of the same element?
- Charged ions
- Identical mass
- Different mass
- Unstable nuclei
-
In Dalton's model, how do atoms of different elements differ?
- Electron number
- Nuclear size
- Mass and properties
- Charge state
-
What did Dalton propose about how elements combine to form compounds?
- Fixed ratios
- Random ratios
- Liquid ratios
- Infinite ratios
-
Which concept would Dalton's original atomic model NOT support?
- Elements
- Electrons
- Mass conservation
- Compounds
-
Why was Dalton's atomic model important to science?
- Mapped isotopes
- Proved radioactivity
- Explained reactions
- Discovered bonding
-
In Dalton's model, what happens to atoms during a chemical reaction?
- Rearranged
- Created
- Destroyed
- Melted
-
Why is Dalton's atomic model considered simple?
- No internal structure
- Only had electrons
- Had energy levels
- Included neutrons
-
According to Dalton's model, how do atoms form compounds?
- Random amounts
- Fixed ratios
- Equal masses
- Fluid proportions
-
Which feature of Dalton's model explains compounds having fixed proportions?
- Fixed mass ratios
- Infinite divisibility
- Variable charges
- Dynamic movement
-
Which Dalton model concept explains whole-number ratios in compounds?
- Atoms combine whole
- Atoms have charge
- Atoms change mass
- Atoms split easily
-
Which feature is absent from Dalton's atomic model?
- Nuclear charge
- Different elements
- Indivisible mass
- Solid spheres
-
According to Dalton, what happens to atoms during chemical reactions?
- They are destroyed
- They split apart
- They grow larger
- They rearrange
-
What defines an element in Dalton's atomic model?
- Molecules bonded
- One atom type
- Various atom types
- Charged particles
-
Why do gold and iron atoms have different properties according to Dalton?
- Different states
- Different shapes
- Different elements
- Different charges
-
Which claim of Dalton's model was later disproven?
- Reactions rearrange atoms
- Atoms are indivisible
- Elements have mass
- Compounds form ratios
-
Why did subatomic particle discovery challenge Dalton's model?
- Atoms have weight
- Atoms create matter
- Atoms are divisible
- Atoms repel charges
-
Why did Dalton's model help predict reaction products?
- Fixed combination ratios
- Spontaneous decay rates
- Continuous fluid flow
- Variable atom masses
-
Which principle is consistent with Dalton's atomic model?
- Subatomic particles
- Fixed atom ratios
- Nuclear fusion
- Electron shells
-
Which feature was NOT part of Dalton's original model?
- Distinct elements
- Atomic nucleus
- Chemical rearrangement
- Solid spheres
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