একাডেমিক IELTS (ব্যান্ড 6-7) - Chemistry

a mixture of different liquids

সমাধান, মিশ্রণ

a liquid that is capable of dissolving another substance

দ্রাবক

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

পিরিয়ডিক টেবিল, পদার্থের টেবিল

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

আইসোটোপ

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

হ্যালোজেন

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

মহান গ্যাস, নিষ্ক্রিয় গ্যাস

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

এমালশন

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

অর্ধজীবন

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

রেডিওঅ্যাকটিভিটি, রেডিওঅ্যাকটিভ কার্যকলাপ

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

অভাবিত ইউরেনিয়াম, কমবেশী ইউরেনিয়াম