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Beer's Law

"Beer’s Law states that a solution's absorbance of light at a certain wavelength is directly proportional to the concentration of that solution. Beer’s Law is mathematically expressed as M1/A1=M2/A2.  ...

Balancing Chemical Equations

"Balancing chemical equations allows us to find the proper ratios of reactants and products within a chemical equation. In a balanced chemical equation, the same atoms are present on each side of the ...

Net Ionic Equation

"A net ionic equation is an equation for a double replacement reaction which shows only the reacting ions and omits the spectator ions." Fuente: BrightStormNet Ionic Equation es un contenido didáctico ...

Avogadro's Principle

"Avogadro’s Principle, also known as Avogadro’s Law, is one of the gas laws. Avogadro’s Principle states that equal volume of mass at the same temperature and pressure contain the same number of molec ...

Naming Ionic Compounds

"When naming ionic compounds, we always name the cation first with its full scientific name. Then, we name the anion, cutting off the last syllable and adding the suffix “-ide”. Sodium chloride, for i ...

Naming Covalent Compounds

"In naming covalent compounds, each element in a covalent compounds needs a prefix to denote the number of atoms of that element. These prefixes are Greek (mon-, di-, tri-, etc) and the last element i ...

Naming Alkanes

"Naming alkanes can be difficult because each alkane consists of a parent chain and one or more branches. First, it is necessary to count the number of atoms in the longest chain. Then we name the bra ...

Naming Acids

"When naming acids, there are several guidelines that must be followed. The rule for naming acids depends on whether the anion contains oxygen. If the anion does not contain oxygen, acid is named with ...

Atomic Structure

"The Bohr model is a simple model of atomic structure. It is now outdated, but is still useful at the basic level. An atom has a central core called its nucleus which contains its protons (positively ...

Atomic Radii - Ionic Radii

"Atomic and ionic radii are distances away from the nucleus or central atom that have different periodic trends. Atomic is the distance away from the nucleus. Atomic radius increases going from top to ...

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