Chemistry

periodic table

اسم

/pˌiəɹɪˈɑːdɪk tˈeɪbəl/

(جدول عناصر شیمیایی)

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 /آی.سِ.تُوپ/

i

aɪ

آای~اِ

s

s

س

o

ə

اِ

t

t

ت

o

oʊ

اُاو~اُ

p

p

پ

e

ایزوتوپ

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 /هَ.لِ.جِن/

h

h

ه

a

æ

اَ

l

l

ل

o

ə

اِ

g

ʤ

ج

e

ə

اِ

n

n

ن

هالوژن

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/

گاز نجیب

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 /ای.مِل.شِن/

e

ɪ

ای~اِ

m

m

م

u

ə

اِ

l

l

ل

s

ʃ

ش

io

ə

اِ

n

n

ن

امولسیون

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/

نیمه‌عمر (فرایند شیمیایی)

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 /رِی.دیُو.اَک.تی.وی.تی/

r

r

ر

a

eɪ

اِای~اِ

d

d

د

ioa

ioʊæ

ایاُاو~اُاَ

c

k

ک

t

t

ت

i

ɪ

ای~اِ

v

v

و

i

ə

اِ

t

t

ت

y

i

ای

(رادیواکتیویته)

تابش رادیو اکتیو

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

depleted uranium

اسم

/dɪplˈiːɾᵻd jʊɹˈeɪniəm/

اورانیوم ضعیف‌شده

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