Unit 3 Test
Quiz by Mrs Goad
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16 questions
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- Q1Discovered electrons, developed "chocolate chip cookie" model.Thomson30s
- Q2Quaker scientist, developed "billiard ball" model, stating the atom is a solid sphere.Dalton30s
- Q3Gold foil experiment - discovered the nucleus.Rutherford30s
- Q4Changed the orbitals to be concentric circles, called it the "planetary models".Bohr30s
- Q5Helped to develop the atomic "cloud" model that we still use today.Heisenberg30s
- Q6The positive part of an atom.Proton30s
- Q7The negative part of an atom.Electron30s
- Q8The neutral part of the atom.Neutron30s
- Q9The dense center part of an atom, which contains the proton and neutron.Nucleus30s
- Q10The greek scientist who first suggested the existence of atoms.Democritus30s
- Q11When an atom gains or loses an electronIon30s
- Q12When an atom has extra neutronsIsotope30s
- Q13When an atom has the correct number of neutrons, protons and electrons according to the periodic tableNeutral atom30s
- Q14When an atom gains electronsNegative ion30s
- Q15When an atom loses electronsPositive ion30s