Half life, A 64-g sample of germanium-66 is left undisturbed for 12.5 hours...

A 64-g sample of germanium-66 is left undisturbed for 12.5 hours. At the end of that period, only 2.0 g remain. What is the half-life of this material? 4. With a half-life of 28.8

The nucleus of tritium contains:, The nucleus of tritium contains: (1) ...

The nucleus of tritium contains: (1) 1 proton + 1 neutron                  (2) 1 proton + 3 neutron     (3) 1 proton + 0 neutron          (4)1 proton + 2 neutron An

What are elastomers, Using the valence bond approach, reduce the shape and ...

Using the valence bond approach, reduce the shape and magnetic character of What are elastomers? Write the chemical equation to show the preparation ration of Buna-S.

Discuss coordination number., Coordination no. is the no. assigned to an at...

Coordination no. is the no. assigned to an atom which tells us that how many other atoms are directly attached to it. eg. Pcl5 the cordination no. will be 5

F block element, why Zn metal regarded other element

why Zn metal regarded other element

Substrate concentration , How does the substrate concentration affect the s...

How does the substrate concentration affect the speed of enzymatic reactions? Ans) Initially as substrate concentration enhances the speed of the reaction enhances, this happens

Metallic bonding,

Hardness of water, Why does calcium sulphate form scales in high pressure b...

Why does calcium sulphate form scales in high pressure boilers

Determien the least ionic, Which of the following is least ionic: (1) C...

Which of the following is least ionic: (1) C 2 , H 5 Cl                                       (2)  KCl                     (3)  BaCl 2               (4)  C 6 H 5 +

Which of the following set of quantum number is not valid, Which of the fol...

Which of the following set of quantum number is not valid: (1) n=1, l=2                         (2) 3=2, m=1       (3)  m=3,l=0                       (4)  3=4,l=2