Chemistry Semester Exam Practice Definitions

The temperature where all particle motion ceases.

• Absolute zero
• Vaporization
• Atoms
• Chemical Formula

the electrode at which oxidation occurs.

• Anode
• Frequency
• Electron cloud
• International System of Units

smallest particle of an element that still has the properties of that element.

• Atom
• Atom
• Element
• Temperature

a pattern of lines formed when light emitted from an atom is passed through a prism to separate it into the different frequencies of light it contains.

• Atomic emission spectrum
• Isotope
• Metric prefixes
• Absolute zero

Sum of protons and neutrons

• Atomic mass
• Nucleus
• Deposition
• Volume

as a mass equal to one twelfth the mass of an atom of carbon-12

• Atomic mass units (amu)
• Chemical Symbol
• Matter
• Electromagnetic spectrum:

a way of accurately representing the experimental evidence about atoms in the simplest way possible.

• Atomic model
• Speed of light
• Density
• Evaporation

the number of protons in the nucleus of each atom of that element

• Atomic number
• Chemical Reaction
• Photoelectric effect
• Physical Property

a weighted average of its isotopes given in atomic mass units

• Atomic weights
• Energy
• Atomic emission spectrum
• Metric prefixes

the building blocks of matter. They are the smallest particles of an element that still have the element's properties

• Atoms
• Gluon
• Gluon
• Exponent