Question

) moving at 24. Calculate the de Broglie wavelength of a neutron (mass -1.67493 x 10 6.00 x 10 m/s 25. Write core configuration for the following atoms and ions: a) Br b) Cr" d) Cu:

Answer 1

Page No braw lewis dot structure of CO2- CO3 Resonance Structures 0 o b= of Od 1:0 formal charges (AC) - Non bonding - Bonding e Formal Charge - Valance Electron (F-C) c = 4 - o - s = 4-4=0 (rico = 6 - 4 - 4 - 2-2 = 0 Geven frequency - 3.45 x 104 nz To calculate Energy and Wavelength. V = 3.45 x 1014 12 - using E-ho 2- 6 E = hc cs Scanned with CamScanner

V = 3.458 10 14 H I = 3.458 10 14 87 To calculate wavelength d= c = 3x108 m/s V 3.45X10'4 - = 0.87 x 10 = 0. 87 x 10 = 8.7 x 10-7 m. x0,6m 8-14 m (Energy E= ho = 6.626 x 10-34 J s X / 3.45x10t P = 22:8 = 2.28 x 10-20 J. x 10-19 J calculate de Broglie wavelength of neutron (mass= 1.67493x10-24 g) moving at 6.00 R10 5 m/s. de Broglic wavelength mXv dy wavelength he Plancle's constant & 6.626 X10-345s my mass = 1.67493410-24 = 1.67493810 ve velocity = 6.00 x 105 m/s. = 6.626 X 10 -34 Kgmagas 167493 X10-?Wg x 6.00 XiOS m 6.626 x 10 m 1-34 727-5) 10.04958 Scanned with CamScanner

Page No m. = 0.659 x 10-12 m = 65.9 x 10-10 = 65. 9 Å 2 66 Å - 25 core confegination 7 3 34 : [Ar] 3 d'° 45² ups I e 3t l loosing 3 è from neutral be) & Got » [Ar] 3 d3 & S2- Cu » [Ne] 35² 3p6 [Ah] 3 dio us' CS Scanned with CamScanner