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An instrument that measures the charge-to-mass ratio of charged particles.

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

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Tyndall Effect

The scattering of light by colloidal particles.

Metal

An element below and to the left of the stepwise division (metalloids) in the upper right corner of the periodic table, about 80% of the known elements are metals.

Crystalline Solid

A solid characterized by a regular, ordered arrangement of particles.

Reducing Agent

The substance that reduces another substance and is oxidized.

Molecule

The smallest particle of an element or compound capable of a stable, independent existence.

Ionic Compounds

Compounds containing predominantly ionic bonding.

Bomb Calorimeter

A device used to measure the heat transfer between system and surroundings at constant volume.

Voltage

Potential difference between two electrodes, a measure of the chemical potential for a redox reaction to occur.

Paramagnetism

Attraction toward a magnetic field, stronger than diamagnetism, but still weak compared to ferromagnetism.

How to keep flowers in a vase for long time

The best gift for a woman, as you know, is a beautiful bouquet of flowers. But the cut flowers at home quite quickly wither. But your favorite roses or tulips can keep their freshness if you use our advice. Chemistry and various chemical elements will help us in this difficult matter!