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Having the same electronic configurations.

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  • Varieties of garnet minerals

    The most famous type of garnet stone is pyrope (flaming). This is the "oldest of garnets", with a dense red color, similar to the grain of an edible garnet. Pyrope has a variety called rhodolite - a stone of dense pink or pink-purple color, which sometimes has the alexandrite effect and is used in...

  • Why do copper products change color, and what is the name of the process?

    Probably, every person wants to know, why over time the copper turns green and becomes bloomed. This is easy to explain: that film is called patina.

  • Interesting facts about metals

    Metals have been used by people since ancient times. All the time the process of obtaining them was improved, useful alloys of various metals appeared. Let’s look at interesting facts about metals.

  • Chemistry of the sky

    Chemistry can teach us about the composition of celestial bodies and determine their age.

  • Chemical Safety

    People use chemicals every day for a wide array of purposes, which can include work and house hold duties. Many of us fail to realize that we are actually handling potentially deadly chemicals when we simply clean the bathroom or wash the car. This brings to mind the reason why chemical safety is...



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Proton

A subatomic particle having a mass of 1.0073 amu and a charge of +1, found in thew nuclei of atoms.

Surface Tension

It is the force in dynes acting along the surface of the liquid 1cm in length and perpendicular to it.

Saccharic

of or derived from saccharin or a saccharine substance.

 

Native State

Refers to the occurrence of an element in an uncombined or free state in nature.

 

Alkaline Battery

A dry cell in which the electrolyte contains KOH.

Amphoterism

The ability to react with both acids and bases.Ability of substance to act as either an acid or a base.

Liquid Aerosol

Colloidal suspension of liquid in gas.

Percentage Ionization

The percentage of the weak electrolyte that ionizes in a solution of given concentration.

Metallurgy

Refers to the overall processes by which metals are extracted from ores.

Saturated Solution

Solution in which no more solute will dissolve.