known by a lot of people

знаменитий
someone whose job or education is about science

науковець
a country located in Eastern Europe and Northern Asia

Росія, Російська Федерація
one's brother or sister

рідний брат, рідна сестра
a university in which students can study up to a bachelor's degree after graduation from school

університет, факультет
a branch or an area of knowledge that we study at a school, college, or university

предмет
liked or preferred the most among the rest that are from the same category

улюблений
the branch of science that is concerned with studying the structure of substances and the way that they change or combine with each other

хімія, наука про речовини
a test done to prove the truthfulness of a hypothesis

експеримент
any of the simple chemical substances that consist of atoms of only one type, such as gold, oxygen, carbon, etc.

хімічний елемент
not like another thing or person in form, quality, nature, etc.

різний
a chemical element in gas form with no color that living things need for breathing

кисень
a metallic chemical element with a silvery-gray appearance, widely used for making tools, steel, buildings, and various industrial products

залізо
a regular and distinct sequence that can be found in certain situations

шаблон, візерунок
to estimate or form a conclusion about something without sufficient information to verify its accuracy

вгадувати, припускати
a substance that is composed of only one type of atom, typically characterized by specific physical and chemical properties

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

періодична таблиця, періодична система елементів
a prize or money given to a person for their great performance

нагорода
a university teacher of the highest rank and a member of the faculty at a college or university

професор, професор
