Chemistry S2 Week 4 Exam Definitions

a negatively charged ion.

• Anions
• Vaporization
• Atoms
• Chemical Formula

the arrangement of all of the electrons of an atom.

• 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

Sum of protons and neutrons

• Atomic mass
• Isotope
• Metric prefixes
• Absolute zero

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

• Atomic mass units (amu)
• Nucleus
• Deposition
• Volume

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

• Atomic model
• Chemical Symbol
• Matter
• Electromagnetic spectrum:

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

• Atomic number
• Speed of light
• Density
• Evaporation

one-half the distance between the nuclei of identical atoms that are bonded together.

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

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

• Atoms
• Energy
• Atomic emission spectrum
• Metric prefixes

a principle which states that electrons occupy orbitals in order from lowest energy to highest.

• Aufbau Principle
• Gluon
• Gluon
• Exponent