The pH Scale: Measuring Acidity and Alkalinity
The pH scale is a numerical scale ranging from 0 to 14 that measures how acidic or basic (alkaline) a
The pH scale is a numerical scale ranging from 0 to 14 that measures how acidic or basic (alkaline) a
Avogadro’s number, approximately 6.022 × 10²³, represents the number of particles—such as atoms, molecules, or ions—contained in one mole of
Isotopes are atoms of the same element that have the same number of protons but different numbers of neutrons in
Noble gases—including helium, neon, argon, krypton, xenon, and radon—are known for being chemically inert, meaning they rarely form compounds with
The periodic table was first developed by Dmitri Mendeleev, a Russian chemist, in 1869. He organized the known chemical elements
Carbon is the foundation of organic chemistry because of its unique ability to form four stable covalent bonds with other
Hydrogen is the most abundant element in the universe, making up about 75% of its elemental mass. It consists of
The atomic number of an element is defined as the number of protons present in the nucleus of an atom
Water (H₂O) is a polar molecule, meaning it has an uneven distribution of electrical charge across its structure. This happens