Upcoming Events & Seminars
Max Hansford will be speaking at –
Landmark Field Day at Congewai, NSW. on Monday 20th February
Tuesday 21st Kempsey
Wednesday 22nd Macksville
Thursday 23rd Ballimore near Dubbo
For further information contact Bill Munton on 0407 252318
For Seminars be early book now »
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Elements: Their Symbols, Common Molecules & Molecular Models
| Ca Calcium | Al Aluminium | CH4 Methane Gas |
| P Phosphorous | H Hydrogen | SO2 Sulphur Dioxide |
| N Nitrogen | Si Silicon | O3 Ozone |
| K Potassium | Ni Nickel | N2 Nitrogen Gas |
| S Sulphur | Hg Mercury | NH3 Ammonia (anhydrous) |
| Cu Copper | Pb Lead | NH4 Ammonium Ion |
| Mo Molybdenum | As Arsenic | NO2 Nitrate Ion |
| Mn Manganese | Cd Cadmium | NO3 Nitrate Ion |
| Zn Zinc | H2O Water | P2O5 Phosphate Compound |
| Se Selenium | CO2 Carbon Dioxide | PO4 Phosphate Ion |
| Mg Magnesium | H2O2 Hydrogen Peroxide | SO4 Sulfate Ion |
Ion: charged element or compound
Anion: negatively charged ion, NO3-, SO4=, CI-, PO4=
Cation: positively charged ion, NH4+, Ca++, Mg++, K+, Na+
Electron: negative charged particle, like the “planets” of the atom
Atom: basic unit mass, smallest unit of an element, think “solar system” in miniature with the nucleus being the sun and the planets being the electrons
Molecule: smallest unit of a substance having all the characteristics of that substance
Compound: two or more atoms linked together
Element: atom categorized by its atomic number, Ca 20, H 1, N 7, O 8
Isotape: element with a different weight but same atomic number
Chelate: compound that effectively engulfs an element and allows it to be transported where alone it would not so easily, like a chaperone
Catalyst: something that stimulates or initiates a reaction without becoming a part of the result, like the minister in a wedding ceremony
Colloid: very fine suspended liquid or solid particles with high ration of surface area to volume with extremely slow rate of sedimentation
PH: negative log of the hydrogen ion concentration, it is a ration of acids and bases in a solution not a measurement of how much lime or calcium needed on a field
Specific Gravity: weight/volume of a substance compared to a standard of the same volume, many times water is set as the standard at 1.
Density: weight/volume
Solution: complete dissolution of two substances in liquid resulting is a clear liquid
Suspension: particles of a substance floating undissolved in a liquid
Organic: containing carbon, in slang terms meaning grown without certain unapproved fertilizers and materials
Inorganic: without carbon, mineral
Periodic Table: listing and categorisation of the known elements by atomic number meaning the number of protons in the nucleus and electrons in the orbit when neutral.