physical chemistry atomic structure

Charge by mass ratio

1.75 × 10^11

Electron mass and charge

Mass : 9.19 × 10^-34 kg and charge : -1.6×10^-19

Proton mass and charge

Mass : 1.67 × 10^-27 kg charge : 1.6×10^-19 C

Neuton mass and charge

Mass : 1.67× 10^ -27 charge : neutral

Radius of nucleus

10^-15 m

V / C =

Lambda × frequency

Speed of light aka C =

3×10^8 ms^-1

Kinetic energy =

1/2mv²

Distance of closest approach formula

R = 4kze²/mc²

Electrical potential energy =

Ke(q1q2) /r

Hv =

Hv not + kinetic energy

Kinetic energy = different one

H(v-v not)

Hc =

1.68 ×10^5

1 ev = how many joules

1.6 × 10^-19 J

r =

H²/ke²4π²m ( n²/z)

V =

2πke²/h

Kze²/r²=

Mv²/r

R not and v not value

R not = 0.529 v not = 2.18 × 10^6

V =

V not ( z/n)

Total energy =

-13. 6 ×(z²/n²)

Hc =

12400/ lambda Armstrong

Hc =

1.98 × 10^-25

Ke =

Pe =

Te =

Ke = x

Pe = -2x

Te = -x

E(not) =

Hv Or hc/lmbda

No. Of photons find formula shortcut

N= pta × efficency × lambda / hc

Threshold frequency =

Hv(not) or hc/lmbda

Formula to find work function

Ke= hc/lmabda - work function

Value of E in joules

3.313×10^-19

Total energy formula in joules

2.18×10^-19(z²/n²) J

Delta E =

z²(1/n1² - 1/n2²)

1/lambda =

Rz²(1/n1²-1/n2²)

1/R =

911 Armstrong

Ionisation energy calculate krne ka formula

13.6 × z²