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Science Test

Perodic table, ppl, Lewis dot diagram, Bhor Rutherford diagram,

QuestionAnswer
Ionic Bonding When electrons are transferred between a metal-atom and a non-metal atom.
Covalent Bonding 2 or more non-metal atoms share pairs of valence electrons.
Isotope All atoms have the no. of isotopes but different no. of neutrons
Ionization adding or removing electrons from neutral atoms or molecule
Current model of atom Plum-pudding model
Democritus theory that all matter was composed of tiny particles,
John Dalton Atoms are unchangeable and Connors be destroyed or divided into smaller piece All atoms of the same element are identical Compounds are formed when atoms of different elements link together in specific proportions
J.J Thomson Atoms are divisible, they made of subatomic particles Atoms contained negatively charged electrons & there was embedded positively charged proton
Ernest Rutherford Concludes atom made up of mostly, empty space with positively-charged nucleus in the middle & a cloud of electrons around it
Niels Bhor that electrons moved rapidly around fixed regions of space called shells or energy levels that electrons could move from one level to another by absorbing a specific amount of energy called a quantum
Created by: shoya
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