Accademico IELTS (Banda 6-7) - Chemistry

a mixture of different liquids

soluzione

a liquid that is capable of dissolving another substance

solvente

a tabular arrangement of chemical elements organized based on their atomic number, electron configuration, and recurring chemical properties

periodico, tavola periodica

each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei, leading to variation in atomic mass

isotopo

a type of chemical element found in Group 17 of the periodic table, known for being highly reactive and commonly used in disinfectants and lights

alogeno

any of the elements in Group 18 of the periodic table, including helium, neon, argon, krypton, xenon, and radon, characterized by their inert nature and stable electron configurations

gas nobile, gas inerte

a mixture of two liquids where tiny droplets of one are evenly dispersed in the other, like oil in water

emulsione

the time required for half of a quantity of a substance to undergo a change or decay, typically in the context of radioactive decay or chemical reactions

emivita

the emission of ionizing radiation or particles caused by the spontaneous disintegration of atomic nuclei in radioactive substances

radioattività, attività radioattiva

a type of uranium that has most of its more radioactive isotopes removed, primarily used for armor-piercing ammunition and shielding

uranio impoverito, uranio esaurito