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Among the organic chemical compounds that are classified as unsaturated hydrocarbons, we can distinguish the group called alkynes. They belong to this group of compounds due to their structure – the molecule contains only atoms of carbon and hydrogen, and one of the bonds between the carbon atoms is unsaturated. For alkynes, this is a […]
The term ‘hydroxides’ refers to the group of non-organic compounds which consist of two solid parts: a cation of metal, for example sodium [Na+], and a hydroxide anion [OH–]. The number of hydroxyl groups existing in the molecule is equal to the valence of the metal, as it itself has the valence –I.
The word ‘salt’ is our daily companion. Table salt is the seasoning we add to meals in order to preserve them or improve their taste. Table salt (NaCl-, sodium chloride) is also a salt in chemical terms. In chemistry, when we say ‘salt’, we aren’t referring to a single substance but to the whole range […]
If we know the pH value, we can establish the reaction of a given solution. A vast majority of chemical processes are carried out in a water environment. Consecutive compounds change their pH value as they decompose into ions. To determine that value, we usually use pH meters, but in practice the acid-base indicators continue […]
At the atomic level, the world works according to the principles of quantum mechanics. Knowledge of the basic information about the structure of the atom is necessary for a proper understanding of our reality and is the foundation for further learning about the world of chemistry and its dependencies.
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