látky
Látky is a term used in chemistry to refer to any substance that has mass and occupies space. This encompasses a vast range of materials, from the air we breathe to the water we drink, and the solid objects around us. In essence, anything that is not energy is considered a látka. Látky can exist in various states of matter, including solid, liquid, gas, and plasma, and their properties are determined by the arrangement and interactions of their constituent particles, such as atoms and molecules. The study of látky, their composition, structure, properties, and the changes they undergo, is the fundamental domain of chemistry.
Látky can be broadly classified into pure substances and mixtures. Pure substances are further divided into