10th grade Atomic structure and theories
Quiz by Jaime
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82 questions
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- Q1The smell of the ocean is caused by atoms.TRUEFALSE45s
- Q2John Dalton was the first person recorded as thinking that matter was ultimately composed of atoms.FALSETRUE45s
- Q3John Dalton formalized an atomic theory that gained acceptance in the early 19th century.TRUEFALSE45s
- Q4The plum pudding model proposed that negatively charged electrons were held in a sphere of positive charge.FALSETRUE45s
- Q5All of the positive charge of an atom is concentrated in the nucleus.TRUEFALSE45s
- Q6J.J. Thomson discovered the existence of protons.TRUEFALSE45s
- Q7Ernest Rutherford proved the existence of electrons.FALSETRUE45s
- Q8The gold foil experiment proved that large regions of the atoms consisted of empty space.TRUEFALSE45s
- Q9The nucleus of an atom is a very small, dense region that contains over 99.9% of the atomic mass.FALSETRUE45s
- Q10Protons and electrons each have a mass of 1 amu.FALSETRUE45s
- Q11A positive charge attracts negative charges and repels other positive charges.TRUEFALSE45s
- Q12The mass of a proton is exactly the same as the mass of a neutron.FALSETRUE45s
- Q13The charges on electrons and neutrons cancel each other to give neutral atoms.TRUEFALSE45s
- Q14Protons and neutrons have similar masses and similar electrical charges.FALSETRUE45s
- Q15An atom containing 8 protons, 9 neutrons, and 8 electrons would be considered charge-neutral.FALSETRUE45s