Alphabetical
base
[noun]
Generally, a substance that reacts with acids to form a salt, several different definitions of bases have been proposed by different scientists (listed in parentheses). 1) (Arrhenius) a compound that releases hydroxide ions (OH-) in solution; 2) (Brønsted-Lowry) a molecule or ion that accepts hydrogen ions from solution; 3) (Lewis) a molecule or ion that donates an electron pair to an acid.
Appears in modules:
- Acids and Bases I Definitions, pH and neutralization
- Acids and Bases II Conjugate ions and buffers
- Animal Behavior Causes and approaches to studying behavior
- Atmospheric Chemistry Research that Changed Global Policy The work of Mario Molina
- Atomic Theory I Detecting electrons and the nucleus
- Atomic Theory II Ions, neutrons, isotopes and quantum theory
- Biodiversity I Definitions and patterns of diversity
- Biodiversity II Changing habits and habitats
- Blood Biology I Components of blood
- Cell Division II Mitosis
- Cellular Organelles I Endosymbiosis and membrane-bound organelles
- Chemical Bonding Ionic and covalent bonds and polarity
- Chemical Equations Using shorthand to show balanced reactions
- Chemical Reactions Types of reactions and the laws that govern them
- Data Analysis and Interpretation Revealing and explaining trends
- Defining Minerals Composition and crystal structure
- Description in Scientific Research Observations and multiple working hypotheses
- Diffusion I Random molecular movement and influences on diffusion rate
- Discovery and Structure of Cells Cell theory, prokaryotes, and eukaryotes
- DNA I The genetic material
- DNA II The structure of DNA
- DNA III The replication of DNA
- Early Ideas about Matter From Democritus to Dalton
- Earth Structure A virtual journey to the center of Earth
- Earth's Atmosphere Composition, temperature, and pressure
- Electromagnetism and Light Introduction to the electromagnetic spectrum
- Ellen Ochoa Engineer and astronaut
- Exponential Equations I Growth and decay
- Exponential Equations II The constant e and limits to growth
- France Anne-Dominic Córdova Climbing through astrophysics and science policy
- Franklin Chang Díaz Propulsion pioneer for future generations of astronauts
- From Stable Chromosomes to Jumping Genes The work of Barbara McClintock
- Future of Human Evolution Artificial selection and transhumanism
- Gravity The law of universal gravitation
- Identifying Minerals Characterizing minerals' physical properties
- Independent Assortment Mendel's testcrosses and Punnett squares
- Introduction to Inferential Statistics Describing patterns and relationships in datasets
- Kinetic-Molecular Theory Molecule collisions, the mean free path, and modern KMT
- Linear Equations Relationships with two variables
- Mass Extinctions Major turning points in biodiversity
- Measurement Units, measuring strategies, and error
- Membranes II Passive and active transporters
- Nuclear Chemistry Radiation, half-life, and nuclear reactions
- Ocean Currents Mapping and explaining the ocean’s gyres
- Origins of Life I Early ideas and experiments
- Origins of Life II Primeval environments and the origins of RNA
- Origins of Plate Tectonic Theory From early ideas to mapping the ocean floor
- Photosynthesis I Harnessing the energy of the sun
- Plate Boundaries Tectonic activity where plates interact
- Revolutionzining Medicine with Monoclonal Antibodies The work of César Milstein
- Ruth Benerito Using basic physical chemistry to solve practical problems
- Scientific Notation Working with orders of magnitude
- Statistical Techniques Constructing a confidence interval
- Substances Pure substances and mixtures
- Taxonomy I What's in a name?
- Taxonomy II Nomenclature
- Temperature Scales and conversions
- The Carbon Cycle Geology, biology, and the impact of human activities
- The Metric System Metric and scientific notation
- The Mole and Atomic Mass Definitions, conversions, and Avogadro's number
- The Phosphorus Cycle Phosphates and fertilizer
- The Practice of Science An introduction to research methods
- Thermodynamics I Caloric theory, latent heat, and the First Law of Thermodynamics
- Tracking Endangered Jaguars across the Border The work of Sergio Avila
- Uncertainty, Error, and Confidence Characterizing natural variability and human error
- Utilizing the Scientific Literature The record of scientific progress
- Waves and Wave Motion Describing waves
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