Download Physical Science – Chapter 4 Study Guide

Physical Science – Chapter 4 Study Guide
What word did the Greek philosopher Democritus coin for a tiny piece of matter that
cannot be divided?
Know and understand John Dalton’s atomic theory.
Know and understand J.J. Thomson’s experiments with the atom.
Who provided evidence for the existence of a nucleus in an atom?
Know and understand the atomic model and the nucleus.
Know and understand neutrons, electrons, and protons of the elements.
The number of protons in one atom of an element is that element’s what?
Know how to find the number of neutrons in an atom.
Know and understand isotopes.
Know and understand Niels Bohr’s model of the atom.
What can you assume has happened if an electron moves to a higher energy level?
What is the difference between an atom in the ground state and an atom in an excited
state?
According to Aristotle, all matter is made of what?
Know and understand Rutherford’s experiment.
What is found in the nucleus of an atom?
What has almost the same mass as a neutron?
Know and understand mass number.
Know and understand the “plum pudding” (chocolate chip ice cream) model of the atom.
Know how to figure how many neutrons are in a certain isotope.
Know how to figure what the atomic number is of a certain isotope.
Be able to fill in a chart containing the symbol, number of protons, number of electrons,
number of neutrons, atomic number and the mass number on various elements.