The mathematic relations used in chemistry describe the processes with participation of various substances and the variations in the properties of chemical compounds. For the problems of the second type especially widely appearing in organic chemistry, introduction of concept of the chemical domains of ...
Chemistry Dictionary Definition Of Symbol Of An Atom A chemical symbol is a 1-, 2-, or 3-letter internationally agreed code for a chemical element, usually derived from the name of the element, often in Latin. More About Symbol of an atom ...
In chemistry, the termperiodrefers to a horizontal row of theperiodic table. Elements in the same period all have the same highest unexcited electron energy level or same ground state energy level. In other words, each atom has the same number of electron shells. As you more down the period...
Chemistry Definition, History & Branches 6:03 Next Lesson Hydrogen Symbol, Formula & Properties Ch 3. The Periodic Table: Help and... Ch 4. Nuclear Chemistry: Help and... Ch 5. Chemical Bonding: Help and... Ch 6. Liquids and Solids: Help and... Ch 7. Gases: Help and Review ...
chemical compound,compound- (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight soil conditioner- a chemical substance used to improve the structure of the soil and increase its porosity; "gypsum can be used as a soil conditione...
chemical notation- a notation used by chemists to express technical facts in chemistry molecular formula- a chemical formula based on analysis and molecular weight empirical formula- a chemical formula showing the ratio of elements in a compound rather than the total number of atoms ...
A compound is a substance formed when two or more chemical elements are chemically bonded together. Inmixtures, the substances present are not chemically bonded together. Water: two hydrogen atoms bonded to an oxygen atom. The type of bonds holding elements together in a compound can vary: two...
Mixture in Chemistry | Definition, Properties & Types 2:48 3:30 Next Lesson Primary Structure of Protein | Overview & Chemical Composition Reactants in Chemistry | Definition, Chemical Equation & Examples 3:34 Reduction in Chemistry | Definition, Mechanism & Reactions 6:05 Significant Figu...
In chemistry, a base is a chemical species that donateselectrons, acceptsprotons, or releases hydroxide (OH-) ions in aqueous solution. Bases display certain characteristic properties that can be used to help identify them. They tend to be slippery to the touch (e.g., soap), can taste bitt...
The lanthanides are indicated by the chemical symbolLnwhen discussing general lanthanide chemistry. The group of elements actually goes by any of several names: lanthanides, lanthanide series, rare earth metals, rare earth elements, common earth elements, inner transition metals, and lanthanoids. The...