Chemistry

periodic table

Danh từ

/pˌiəɹɪˈɑːdɪk tˈeɪbəl/

(bảng phần tử)

bảng tuần hoàn

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

isotope

Danh từ

/aɪ.sə.toʊp/ or /ai.sē.tooop/

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oʊ

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(isotope)

đồng vị

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

halogen

Danh từ

/hæ.lə.ʤən/ or /hā.lē.jēn/

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(nguyên tố halogen)

halogen

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

noble gas

Danh từ

/nˈoʊbəl ɡˈæs/

(khí hiếm)

khí qu noble

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

emulsion

Danh từ

/ɪ.məl.ʃən/ or /i.mēl.shēn/

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ʃ

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n

(hỗn hợp nhũ)

nhũ tương

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

half-life

Danh từ

/hˈæf lˈaɪf/

(nửa đời)

chu kỳ bán rã

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

radioactivity

Danh từ

/reɪ.dioʊ.æk.tɪ.vɪ.ti/ or /rei.diooo.āk.ti.vi.ti/

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(tính phóng xạ)

phát xạ phóng xạ

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

depleted uranium

Danh từ

/dɪplˈiːɾᵻd jʊɹˈeɪniəm/

(uranium đã suy giảm)

uranium đã khử

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