Chemistry

periodic table

اسم

/pˌiəɹɪˈɑːdɪk tˈeɪbəl/

(عناصر کا جدول)

جدول تناوبی

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

isotope

اسم

/aɪ.sə.toʊp/ or /ai.sē.tooop/

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aɪ

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ə

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t

o

oʊ

p

p

e

(اسٹوپ)

آئسوٹوپ

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

اسم

/hæ.lə.ʤən/ or /hā.lē.jēn/

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æ

l

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o

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n

n

(ہلاجن)

ہیلوجن

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

اسم

/nˈoʊbəl ɡˈæs/

(نوبل گیس)

عظیم گیس

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

اسم

/ɪ.məl.ʃən/ or /i.mēl.shēn/

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ɪ

m

m

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ə

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ʃ

io

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n

n

(مخلوط)

امولشن

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

half-life

اسم

/hˈæf lˈaɪf/

(نصف زندگی)

نصف عمر

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

اسم

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

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r

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eɪ

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d

ioa

ioʊæ

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i

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y

i

(ریڈیو ایکٹیویٹی)

تابکاری

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

depleted uranium

اسم

/dɪplˈiːɾᵻd jʊɹˈeɪniəm/

(کم شدہ یورینیم)

استعمال شدہ یورینیم

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