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Atomic theory: Quiz


Question 1: [22] A ________ is a sealed glass container in which two electrodes are separated by a vacuum.
ElectronX-rayCrookes tubeCathode ray

Question 2: [2][3][4] Some of the earliest known theories were also developed in the 2nd century BCE by Kanada, a ________ philosopher.

Question 3: While experimenting with the products of radioactive decay, in 1913 radiochemist ________ discovered that there appeared to be more than one element at each position on the periodic table.
Ernest RutherfordMarie CurieFrancis William AstonFrederick Soddy

Question 4: [5] By contrast, ________ (6th Century BCE) linked the behavior of matter to the nature of the atoms themselves.
Indian religionsJain philosophyJainismHinduism

Question 5: Initially it was thought to be high-energy gamma radiation, since gamma radiation had a similar effect on electrons in metals, but ________ found that the ionisation effect was too strong for it to be due to electromagnetic radiation.
Patrick Blackett, Baron BlackettWerner HeisenbergEnrico FermiJames Chadwick

Question 6: A consequence of describing electrons as waveforms is that it is mathematically impossible to simultaneously derive the position and momentum of an electron; this became known as the ________.
Wave–particle dualityUncertainty principleIntroduction to quantum mechanicsQuantum mechanics

Question 7: Dalton also believed atomic theory could explain why water absorbed different gases in different proportions: for example, he found that water absorbed ________ far better than it absorbed nitrogen.
Carbon dioxideCarbon sinkGreenhouse gasCarbon cycle

Question 8: In 1928, ________ observed that beryllium emitted a highly penetrating, electrically neutral radiation when bombarded with alpha particles.
Werner HeisenbergJ. Hans D. JensenWalther BotheMax Born

Question 9: It could only predict the ________ of hydrogen; it couldn't predict those of multielectron atoms.
HeliumStarSpectral linePhoton

Question 10: He believed all existence to be a single, all-encompassing and unchanging mass (a concept known as ________), and that change and motion were mere illusions.
Baruch SpinozaMonismExistentialismRené Descartes


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