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FREE AND STUDY GAMES ABOUT ATOM SCIENTIST EXAM
QUESTIONS
Actual Qs and Ans Expert-Verified Explanation
This Exam contains:
-Guarantee passing score -39 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation
Question 1: Electrons paths cannot be predicted.
Answer:
Schrodinger Question 2: A region around the nucleus of an atom where electrons are likely to be found.
Answer:
Electron Cloud
Question 3: He conducted the cathode-ray tube experiment.
Answer:
Thomson
Question 4: He wanted to know why elements combine is specific proportions.
Answer:
Dalton
Question 5: THe law that states that the repeating chemical and physical proporties of elements change periodically with the atomic numbers of the elements.
Answer:
Periodic Question 6: ONe of the elements of Group of the periodic table(helium, neon, argon, krypton, xenon, and radon);are unreactive.
Answer:
Noble Gas
Question 7: Most of an atom's mass is in the nucleus.
Answer:
Rutherford Question 8: A subatomic particle that has a positive charge and that is found in the nucleus of an atom.
Answer:
Proton
Question 9: He conducted experiments in combining elements.
Answer:
Dalton Question 10: Atoms are made of single material formed into different shapes and sizes.
Answer:
Democritus
Question 11: He conducted the gold foil experiment.
Answer:
Rutherford
Question 12: Atoms contain mostly empty space.
Answer:
Rutherford
Question 13: Electrons are found in electron clouds, not paths.
Answer:
Schrodinger and Heisenberg
Question 14: Describes something that occurs or repeats at regular intervals.
Answer:
Periodic Question 15: The number of protons in the nucleus of an atom; the atomic # is the same for all atoms of an elements.
Answer:
Atomic Number
Question 16: His model had electrons surrounding the nucleus at a distance.
Answer:
Rutherford
Question 17: All substances are made of atoms.
Answer:
Dalton Question 18: In physical science, an atom's central region, which is made up of protons and neturons.
Answer:
Nucleus Question 19: The smallest particle into hich an element can be divided and still be the same substance.
Answer:
Atom
Question 20: Said atoms are small, hard particles.
Answer:
Democritus
Question 21: An atom that has the same number of proton(or the same atom number) as other atoms of the some element do but that has a drift aren;tnumber of neutrons(and thus a different atomic mass).
Answer:
Isotope
Question 22: There are small negatively charged particles inside the atom.
Answer:
Thomson
Question 23: Atoms of different elements are different.
Answer:
Dalton Question 24: His theory of the atmoic structure led to the "plum-pudding" model.
Answer:
Thomson
Question 25: Electrons can jump from a path in one level to a path in another.
Answer:
Bohr Question 26: ONe of the elements of Group 1, of the periodic table(lithium, sodium, potassium, rubudium, cesibium, and fancium)
Answer:
Alkali Metal
Question 27: A subatomic particle that has a negative charge.
Answer:
Electron Question 28: A vertical column of elements in the periodic table; elements in a group share chemical properties.
Answer:
Group
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