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science
Atom
What is the number of protons that the element in this image contain?
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14
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7
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15
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18
What is the atomic mass of "F"
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9
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18
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17
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19
The positive particles of an atom are
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electrons
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positrons
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neutrons
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protons
the central region of an atom where its neutrons and protons are is its
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nucleus
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electron cloud
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core
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center
electrons have this type of charge?
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negative
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positive
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neutral
What are the 3 particles that make-up the atom?
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protons, neutrons, and isotopes
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neutrons, isotopes, and electrons
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positives, negatives, and electrons
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protons, neutrons, and electrons
Who discovered the electron?
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Rutherford
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Thomson
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Milikan
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Dalton
Choose the particle that has no charge.
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nucleus
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neutron
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proton
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electron
Which model is this?
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Thomson Model
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Cloud Model
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Bohr Model
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Rutherford Model
Which model involved gold foil?
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Thomson Model
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Rutherford Model
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Cloud Model
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Bohr Model
Which model is this?
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Thomson Model
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Rutherford Model
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Cloud Model
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Bohr Model
Which of these particles was discovered first?
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Protons
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Electrons
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Neutrons
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Quarks
Which model of the atom proposed that atoms were positive spheres with negative electrons in them?
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Heliocentric Model
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Solid Sphere Model
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Plum Pudding Model
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Planetary Model
Who is the scientist who proposed the "solar system" model of an atom where the electrons revolve around the nucleus?
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Dalton
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Niels Bohr
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Ernest Rutherford
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Democritus
Which scientist saw the atom as a solid sphere?
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Dalton
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Thomson
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Rutherford
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Bohr
Who first proposed that everything in the world was made up of tiny particles?
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Aristotle
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Democritus
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Plato
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Socrates
Democritus called the tiniest particles of matter "atomos", which is Greek for _____
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empty space
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invisible
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very small
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indivisible
Which philosopher stated that matter was made of four elements: earth, wind, water and fire?
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Aristotle
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Democritus
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Plato
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Socrates
In 1808, who was the Quaker teacher that challenged Aristotelian theory?
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Niels Bohr
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J. J. Thomson
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John Dalton
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Ernest Rutherford
Dalton showed that common substances always broke down into _____
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the same elements in the same proportions
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elements in equal quantities
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hydrogen and oxygen
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earth, wind, water and fire
Dalton proposed that atoms _____
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could be created and destroyed
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could be created but not destroyed
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could be destroyed but not created
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could neither be created nor destroyed
Dalton concluded that the various compounds were combinations of atoms of different _____
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facets
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materials
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elements
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ingredients
The electron was discovered in Who discovered it?
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Ernest Rutherford
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John Dalton
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J. J. Thomson
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Niels Bohr
Whose model showed atoms as uniformly packed spheres of positive matter filled with negatively charged electrons?
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J. J. Thomson
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John Dalton
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Ernest Rutherford
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Niels Bohr
J. J. Thomson won a Nobel Prize in Which particle did he discover?
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the electron
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the proton
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the neutron
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the photon
Which scientist became known as "the father of the nuclear age"?
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J. J. Thomson
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John Dalton
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Ernest Rutherford
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Niels Bohr
Whose experiment involved shooting small, positively charged alpha particles at a sheet of gold foil?
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J.J. Thompson
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Max Planck
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Ernest Rutherford
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Niels Bohr
Who concluded that atoms consisted largely of empty space with most of the mass concentrated in the center?
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J. J. Thomson
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Max Planck
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Ernest Rutherford
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Niels Bohr
Rutherford referred to the center of the atom, where the mass was concentrated, as _____
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the kernel
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the nucleus
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the focus
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the heart
Who drew on the work of Planck and Einstein to develop the planetary model of the atom?
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John Dalton
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Niels Bohr
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J. J. Thomson
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Ernest Rutherford
Who stipulated that electrons orbit the nucleus at fixed energies and distances?
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Albert Einstein
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Max Planck
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Ernest Rutherford
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Niels Bohr
Soon after Bohr's planetary model took center stage, experiments showed that electrons behaved _____
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as particles but not waves
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as waves but not particles
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as both particles and waves
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as neither particles nor waves
Who showed it was impossible to determine both the exact position and speed of electrons as they moved around an atom?
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Werner Heisenberg
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Niels Bohr
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Max Planck
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Albert Einstein
The current model of the atom, where electrons exist within a range of possible locations, is called _____
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the chocolate chip cookie model
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the plum pudding model
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the quantum model
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the planetary model
As electrons circling an atom shift between energy levels, they absorb or release energy in the form of _____
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heat at a specific temperature
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kinetic energy at a certain speed
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light of a specific wavelength
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sound waves at a certain intensity
Geçmişten günümüze geliştirilen atom modelleri ile ilgili verilen açıklamalardan hangisi yanlıştır?
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Dalton'a göre atomlar içi dolu berk kürelerdir.
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Thomson'a göre atom üzümlü keke benzer.
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Rutherford der ki Güneşin etrafında dolanan gezegenler gibidir.
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Bohr elektronların rastgele dolandıklarını söyler.
Günümüzde geçerli olan atom teorisi aşağıdakilerden hangisidir?
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Dalton Atom modeli
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Rutherford Atom modeli
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Bohr Atom modeli
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Modern Atom Teorisi
Bohr atom modeline göre yörüngelerde sürekli hareket halinde olan atom altı tanecik ........................ dur.
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Proton
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Elektron
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Nötron
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Foton
Atomu güneş sistemine benzeten fizikçi kimdir?
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J.Dalton
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J.J.Thomson
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N.Bohr
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E.Rutherford
Elektronları üzüme çekirdeği ise kek hamuruna benzeten bilim insanı kimdir?
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J.J.Thomson
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E.Rutherford
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Heissenberg
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N.Bohr
Atom kavramını ortaya atan filozof kimdir?
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N.Bohr
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Socrates
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Eflatun
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Democritos
Atomun tarihçesindeki sıralama aşağıdakilerden hangisinde doğru verilmiştir?
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A) Democrıtus- Thomson- Bohr- Rutherford- Dalton
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B) Democrıtus- Dalton- Bohr- Thomson- Rutherford
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C) Democrıtus- Dalton-Thomson- Rutherford- Bohr
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D) Democrıtus- Dalton- Rutherford- Thomson- Bohr
Atomun merkezinde bulunan temel yapı nedir?
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katman
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çekirdek
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yörünge
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proton
"modern atom teorisi" aşağıdakilerden hangisinden bahseder?
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berk küre
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üzümlü kek
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gezegen modeli
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elektron bulutu
Atomun çekirdeğinde bulunan pozitif yüklü taneciklerdir?
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Proton
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Nötron
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Elektron
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Katman
Atomun çekirdeğinde bulunan yüksüz taneciklerdir?
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Nötron
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Elektron
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Proton
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Katman
Aşağıdakilerden hangisi çekirdekte bulunmaz?
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Proton
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Nötron
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Elektron
Atomun kimliğini ............................. belirler.
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Nötron
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Proton
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Elektron
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Çekirdek
Resimde kaç tane molekül vardır?
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2
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3
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4
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5
Resimdeki moleküllerden kaç tanesi aynı atomlardan oluşmuştur?
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1
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2
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3
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4
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