Chemical nomenclature e
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This document provides information on naming and writing formulas for ionic compounds: - Ions are atoms or groups of atoms that have gained or lost electrons, giving them a positive or negative charge. Common ions and their charges should be memorized. - Prefixes indicate the number of atoms in polyatomic ions or in compound names. - To name ionic compounds, the cation (positively charged ion) is named first followed by the anion (negatively charged ion). Transition metals use Stock notation to indicate charge. - To write formulas, the charges of ions are used to balance the total charge of the compound to be neutral, choosing ions that satisfy the smallest whole number ratio.
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The document discusses word roots, prefixes, and suffixes. It provides tables defining 30 common Greek and Latin roots, 26 noun and verb suffixes, and 35 prefixes. Understanding these roots, prefixes and suffixes can help deduce the meanings of unfamiliar words by recognizing their component parts. However, some elements have multiple meanings, so a dictionary should be consulted to determine a new word's precise definition.
Prefix suffix
This document contains prefixes used in medical terminology to describe parts and functions of the body, conditions, processes, and other medical concepts. Many prefixes are derived from Greek and Latin and relate to locations, quantities, conditions and other descriptors. Over 200 prefixes are defined with short explanations of their meaning in medical contexts.
biological nomenclature 9
Binomial nomenclature is a formal system for naming species using a two-part Latin name, with the first part designating the genus and the second part designating the species within that genus. This system was introduced by Swedish botanist Carl Linnaeus in his 1753 work "Species Plantarum," effectively founding the modern scheme of biological classification. Under binomial nomenclature, the genus name is always capitalized while the species name is lower case, unless it is derived from a proper noun.
Latin root word list
This root word list provides definitions for common Latin and Greek roots found in scientific terms. Keeping this list in a science notebook can help students figure out the meanings of new terms by recognizing their component word parts. The list is organized alphabetically and provides brief, one-word definitions for each root.
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This document discusses the naming of ions and ionic compounds. It begins by defining ions as atoms that have gained or lost electrons, making them positively or negatively charged. It then discusses naming conventions for different types of ions including monoatomic and polyatomic ions, and ions of metals, nonmetals, transition metals and halogens. Rules are provided for naming ionic compounds formed from combinations of these ions. The document also discusses naming conventions for molecular compounds formed from nonmetals, and compounds involving polyatomic ions, hydrated salts, and acids.
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The document discusses the earth's magnetic field and how it protects the planet. It describes how the earth's magnetic field deflects charged particles from the sun's wind away from earth, protecting life and infrastructure. These particles enter the magnetic field at the poles, where the field is strongest, and collide with gas molecules, ionizing them and causing them to emit light in the form of the auroras.
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This document discusses how objects become charged by gaining or losing electrons, and defines positive and negative charges. It explains that like charges repel and opposite charges attract. Methods for charging objects include friction, touch, and induction. The key rules are that charge cannot be created or destroyed, only transferred, and that when two charged objects touch, their total charge is distributed equally between them. Examples are provided to demonstrate calculating the new charges and number of electrons transferred when two charged spheres touch.
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2) Key concepts covered include series and parallel circuits, and how voltage and current are distributed in each. Formulas for calculating total resistance, voltage, and current are also provided.
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1) Gravitational acceleration is the acceleration experienced by objects due to gravity in the absence of other forces like air resistance. On Earth, gravitational acceleration is approximately 9.8 m/s2 directed downward.
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Vector quantities have both magnitude and direction, while scalar quantities only have magnitude. Examples of vectors include force, velocity, and displacement, while scalars include speed, distance, and mass. Vectors can be added using trigonometry and the parallelogram law to find the resultant vector, which represents the combined effect of all the individual vectors. Documents provide examples of calculating the magnitude and direction of resultant forces and displacements by resolving and drawing vectors to scale.
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Chemical nomenclature e
- 2. Atoms/ groups of atoms with an electrical charge Positive Ions Loses electrons Negative Ions Gains electrons MEMORIZE the names and charges of common ions – p 19
- 4. Metal and Non-metal: Metal + Non-metal + “-ide” Non-metal and Non-metal: • Name first non-metal, then second non-metal and add “–ide” • Use prefixes for ratio’s of elements Elements to the left of periodic table are named FIRST!!!
- 5. Name cation first, then anion If the cation is a transition metal: • Ion has more than one possible charge • Use Stock-notation to indicate charge (Roman numerals after name)
- 6. Name the following compounds: a) CaBr2 b) N2S5 c) V2O5 (V5+) d) ZnSO4 e) (NH4)3PO4 f) Na3P
- 8. Group I = +1 Group II = +2 Group III = +3 Group IV = + 4 Group V = -3 Group VI = -2 Group VII = -1 Group VIII = Do Not form BONDS!!!
- 9. Transitionmetals • Indicated by Stock-notation • Know general charges – p19 Poly-atomic ions • Know charges – p 19
- 10. Substances combine in such a way that the compound is neutral • Sum of charges = 0 Choose ion with largest charge • Assume there are only one atom of that ion in the compound Set number of atoms of other ion = x • Solve for x Remove fractions to obtain whole numbers
- 11. Write chemical formulae for compounds of the following substances: a) Sodium and oxygen b) Potassium sulphide c) Iron(II)chloride d) Magnesium carbonate e) Calcium Nitrate f) Aluminium oxide g) Ammonium sulphate