Study Guides
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1.
Electrons, Nucleus, and Atomic Structure Help
Electrons In 1897, J.J. Thomson, a physicist from England, discovered negatively charged particles by removing all the air from a glass tube that was connected to two electrodes. One electrode was attached to one end of the tube and negatively ...
Source: McGraw-Hill Professional -
2.
Physics and Compounds Help
Introduction Different elements can join together, sharing electrons. When this happens, the result is a chemical compound . One of the most common compounds on Earth is water, the result of two hydrogen atoms joining with an atom of ...
Source: McGraw-Hill Professional -
3.
Particles of Matter Practice Test
Review the following concepts if needed: Physics and Early Theories Help
Source: McGraw-Hill Professional -
4.
Molecules and Molecular Formula Help
Molecules Though many forms of matter like wood, rock, or soap appear solid upon first inspection, most matter is composed of a combination of atoms in a specific geometrical arrangement. The force that binds two or more atoms together is ...
Source: McGraw-Hill Professional -
5.
Atoms, Elements, and Compounds Practice Test
Review the following concepts if needed: Molecules and Molecular Formula Help
Source: McGraw-Hill Professional -
6.
Atoms, Molecules and Ions Study Guide
Introduction John Dalton's atomic theory explains the solar system-type model of an atom with electrons orbiting around a compact nucleus with protons and neutrons. Atoms make up the elements, molecules, and compounds that ultimately create chemical processes. ...
Source: LearningExpress, LLC -
7.
Atomic Structure Study Guide
Introduction Electrons not only orbit around the nucleus of an atom, but they also move to higher and lower orbits also called higher and lower energy levels. These transitions require energy to move to a higher orbit and release energy to move ...
Source: LearningExpress, LLC -
8.
Atoms, Molecules and Ions Practice Questions
Review the following concepts if needed - Atoms Molecules and Ions Study Guide Practice Questions Identify the number of protons, neutrons, and ...
Source: LearningExpress, LLC -
9.
Atomic Structure Practice Questions
Review the following concepts if needed - Atomic Structure Study Guide Practice Questions ...
Source: LearningExpress, LLC
