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Atomic Theory--The Scientists
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Questions in this quiz (13)
1John Dalton: [blank_start]Matter[blank_end] was made of small particles called [blank_start]atoms[blank_end], they are [blank_start]indivisible[blank_end], they cannot be [blank_start]created[blank_end] or [blank_start]destroyed[blank_end].
- Aatoms
- Bindivisible
- Ccreated
- Ddestroyed
- EMatter
2element: a form of matter [blank_start]made from 1 kind of atom[blank_end].
compound: a form of matter made from 2 or more elements, [blank_start]chemically combined in fixed proportions[blank_end].- Amade from 1 kind of atom
- Bchemically combined in fixed proportions
3Diffusion: The [blank_start]spontaneous[blank_end] [blank_start]spreading out[blank_end] of a [blank_start]substance[blank_end] due to the [blank_start]natural movement[blank_end] of its [blank_start]particles[blank_end]
- Aspontaneous
- Bspreading out
- Csubstance
- Dnatural movement
- Eparticles
4Plucker discovered cathode rays, streams of high speed electrons moving from a cathode.
- ATrue
- BFalse
5Crookes: Investiagted the [blank_start]nature[blank_end] of cathode rays
- Anature
6 Crookes. A shadow formed at the end of the tube when he placed a maltese cross inside it.
:[blank_start]radiation travelled in straight lines[blank_end]
The paddle wheel turned when placed inside
: [blank_start]rays were made of particles[blank_end]- Aradiation travelled in straight lines
- Brays had a positive charge
- Crays were made of particles
- Drays were made of energised molecules
7J.J Thomson discovered the electron.
- ATrue
- BFalse
8J.J Thomson: When he replaced different metals as the cathode, there was a [blank_start]constant charge-to-mass ratio[blank_end].
- Aconstant charge-to-mass ratio
- Bdifference in charge
- Cpositive mass found in the metal ratio
9Rutherford gave the electron its name.
- ATrue
- BFalse
10William Thomson's "Plum Pudding" atom model
- Apositively charged sphere
- Bnegative particles
- Cnegatively charge electrons embedded
- Dmostly empty space
- Ea nucleus
11Rutherford's Gold Foil Experiment.
Alpha particles fired into thin sheet of gold.
#most [blank_start]passed straight through[blank_end]
#some deflected at [blank_start]angles[blank_end]
#small number [blank_start]deflected[blank_end] [blank_start]back[blank_end] along their own [blank_start]path[blank_end]- Apassed straight through
- Bangles
- Cdeflected
- Dback
- Epath
12Rutherford Discoveries
- AThe nucleus
- BThe proton
- CThe Rutherford Nuclear Atom
- DThe electron
- EThe mass of the electron
13Millikan's Oil Drop Experiment was used to measure what?
- AThe size of the charge of an electron
- BThe charge-to-mass ratio
- CThe nature of electrons
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- Fifth year Chemistry Quiz on Atomic Theory--The Scientists, created by Áine Greene on 24/03/2018.
- Author
- Áine Greene
- Language
- English
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