Atomic quiz

witch three atomic property's are always the same

number

weight

protons

electrons

• number, weight, protons
• weight, protons, electrons
• number, weight, electrons
• number, protons, electrons

Atomic mass - atomic ​ (a)   =​ (b)  

• Neutrons
• Number
• weight
• Protons
• electrons
• positrons

Which of these is the metalloids

Which of these is the poor metals

good conductors of electricity, Have high luster,

• transitions metals

• halogens

• noble gases

• alkaline metals

• alkaline earth metals

most reactive nonmetals, react vigorously with most metals to form salt

• transitions metals

• halogens

• noble gases

• alkaline metals

• alkaline earth metals

nonreactive gases

• transitions metals

• halogens

• noble gases

• alkaline metals

• alkaline earth metals

most reactive metals, silvery appearance, soft

• transitions metals

• halogens

• noble gases

• alkaline metals

• alkaline earth metals

what did J.J Thomson add

• electrons

  Plum pudding model

  cathod raytube

• photons

  gold foil experiment

  perodic table

• neutrons

  atomic theory

• protons

  rearranged the periodic table

what did Rutherford Contribution/added info

• Discovery of the atomic nucleus

  Gold foil experiment

• Discovery of the proton

  cathode ray experiment

• Discovery of the neutron

• Discovery of the electron