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Chemistry of Nitrogen

The element nitrogen is a p-block element that belongs to the 15th group of the periodic table. This article is an in depth discussion of Chemistry of Nitrogen.

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General Chemistry|Chemistry|Inorganic Chemistry

Quantum Numbers - Principle, Azimuthal, Magnetic and Spin Quantum Numbers

According to the quantum theory, there are four quantum numbers that can describe the movements and trajectories of each electron in an atom.

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General Chemistry|Chemistry

Electron Configuration

Electron configuration is a standard notation that describes the distribution of electrons that are present in the shells, subshells, and the orbitals of an atom.

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General Chemistry|Chemistry

Reactions of S Block Elements - Reactions of Group 2 Elements

Group 2 elements are less reactive than the group 1 elements. This article discusses the reactions of group 2 elements.

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Inorganic Chemistry|Chemistry|General Chemistry

Reactions of S Block Elements - Reactions of Group 1 Elements

Due to their lower 1st ionization energy group 1 elements are highly reactive than the group 2. This article discusses the reactions of group 1 elements.

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Inorganic Chemistry|Chemistry|General Chemistry

Properties of S Block Elements

S block elements show definite trends and properties. This article discuss Properties of S Block Elements such as atomic size, reactivity, electronegativity.

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Inorganic Chemistry|Chemistry|General Chemistry

S Block Elements in the Periodic Table

The elements in 1 and 2 groups of the periodic table belong to s block elements. There are seven alkali metals and seven alkali earth metals.

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Inorganic Chemistry|Chemistry|General Chemistry

What Are The Isotopes?

Isotopes can be defined as the nuclides of a particular element that have different mass numbers.

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General Chemistry|Chemistry

Atomic Number and Mass Number of an Atom

The atomic number of a nuclide (atom) is equal to the number of protons present in the nucleus of the atom.

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General Chemistry|Chemistry

EDTA Titration with an Auxiliary Complexing Agent

The auxiliary complexing agent is a complexing agent which is also complexing with the metal ion, less strong than EDTA.

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Analytical Chemistry|Chemistry|General Chemistry

EDTA Titration Curves

In complexometric titrations with EDTA, the EDTA titration curve is plotted pM vs the volume of the titrant added

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Analytical Chemistry|Chemistry|General Chemistry

EDTA Titrations - Concepts, Explanation, and Examples

Because EDTA Is a good chelating agent, EDTA titrations are widely used for identifying unknown metal ion concentrations in solutions.

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Analytical Chemistry|Chemistry|Equilibrium Chemistry|General Chemistry

Complexometric Titrations (Chelatometry) - Principles and Examples

Titration methods are used to determine an unknown concentration of a substance. This article discusses complexometric titrations.

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Analytical Chemistry|Chemistry|Equilibrium Chemistry|General Chemistry

How to Calculate the Hardness of Water by EDTA Titration

In general definition, the hardness of water is described as a measurement of the capacity of water to precipitate soap.

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Analytical Chemistry|Chemistry|General Chemistry

Dissolved Oxygen (DO) of Natural Water Bodies - How to Measure Dissolved Oxygen of Water

Dissolved oxygen analysis is a fundamental test in water pollution evaluation and waste treatment process control.

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Analytical Chemistry|Chemistry|General Chemistry

Calculate pH of Acids and Bases – How to Calculate the pH of Acids and Bases Accurately

This article discusses a more accurate method to calculate the pH and ion concentrations of acids and bases.

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Equilibrium Chemistry|Analytical Chemistry|Chemistry|General Chemistry

Acids and Bases (Acid-Base Equilibria) - Strong Acids and Bases, Weak Acids and Bases, and pH Calculations

Acids and bases can be simply explained according to their ability to donate H+ or OH- ions. There are few theories that describe what acids and bases are.

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Equilibrium Chemistry|Analytical Chemistry|Chemistry|General Chemistry

How to Measure pH in Water

pH value is a measurement of H+ ions in a medium. This article describes the experimental way of How to Measure pH in Water.

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Analytical Chemistry|Chemistry|Equilibrium Chemistry|General Chemistry

How to Find the Concentration of a Solution

The concentration of a solution is the dissolved amount of moles of the solute. This article describes how to find the concentration of a solution

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General Chemistry|Chemistry

Mass Calculation of Atoms

Neutrons and protons are the main contributors to the mass of an atom. Find more about the Mass Calculation of Atoms in this article.

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General Chemistry|Chemistry

Empirical Formula vs Molecular Formula

The simplest ratio between the number of mols of atoms in a mole of a compound is the empirical formula.

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General Chemistry|Chemistry

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