University:
Miami University
Course:
CHM 141 | College Chemistry
Academic year:

2022
Views:

399

Pages:

4
Author:

Carissa Thomas

Name: ______________________________________________ Period:______ Date:____________ Models of the Atom Vocabulary Hint Term Definition/Example/ Sample Alpha particle The nuclei of helium atoms Electron The negatively charged particle found outside the nucleus of an atom. Electron cloud model Bohr’s model which suggests that electrons are found in regions/energy levels. Energy level Orbitals around the nucleus of an atom CC BY 2.5 Name: ______________________________________________ Period:______ Date:____________ Models of the Atom Vocabulary Isotope Atoms with the same number of protons and electrons, that differ in the number of neutrons they possess. Neutron The subatomic particle which has no charge/is neutral Nuclear Model Rutherford’s model of the atom which Photon Energy which is emitted when an electron changes energy levels Name: ______________________________________________ Period:______ Date:____________ Models of the Atom Vocabulary Planetary model Bohr’s model which suggested that electrons orbit the nucleus of an atom. Plum pudding model The model of the atom by J.J Thomson in which the atom was a sphere of positive charge with negative electrons embedded in it. Proton The positive subatomic particle found in the nucleus of the atom. Quantum model The model proposed by Schrodinger which suggests that quantum theory can be used to determine the distribution of electrons in an atom. Name: ______________________________________________ Period:______ Date:____________ Models of the Atom Vocabulary Quarks CC BY-SA 3.0 Particles found in the nucleus containing protons and neutrons.