HW ABC study guide

Democritus, Dalton, Thomson, Rutherford, Bohr, Schrödinger, Chadwick

what is the order of the scientists

isotopes

what are atoms of an element that have a different number of neutrons

protons and neutrons

what makes up the mass

electrons

which subatomic particle is located outside the nucleus

protons and neutrons

what subatomic parts of an atom are located inside the nucleus

both have charges

what property do protons and electrons share

isotopes

what has the same atomic number but different masses

Rutherford

who conducted the gold foil experiment

positively charged nucleus

what did the gold foil contribute to the atomic theory

isoelectronic

what is the term for elements which all have the same number of electrons

earth metals

what are alkaline metals

B Si Ge As Sh Te Po At Ts

what are the staircase elements

inner transition metals

what elements are at the bottom subtable on the periodic table

metals

what is majority of the periodic table

semi-metals

what type of element are the staircase elements

Schodinger

who developed the modern atomic model

Bohr

who is responsible for arranging the electrons into orbits

Dalton

who was the first to do experiments proving atoms exist

Rutherford

who discovered the nucleus

Democritus

who was the first to think about the existence of the atoms

Thomson

who was responsible for the plum pudding model

Rutherford

who was responsible for the nuclear model

Schodinger

who was responsible for the Quantum Mechanical Model

electrons

what is the lightest subatomic particle

Thomson

who discovered that electrons were the lightest subatomic particle

Chadwick

who discovered the neutron

Quantum Mechanical Model

What atomic model do orbitals belong to