Ionic bond,

Which of the following sets of orbitals may degenerate, Which of the follow...

Which of the following sets of orbitals may degenerate : (1) 2s, 2p x , 2p y                   (2) 3s, 3p x , 3d xy                 (3) 1s, 2s, 3s

Difference between oraganic and inoraganic compounds, An organic compound i...

An organic compound is any member of a large class of chemical compounds which molecules have carbon and hydrogen; thus, carbides, carbonates, carbon oxides and elementary carbon

The valency of phosphorus, The valency of phosphorus in H3 PO 4   is: (...

The valency of phosphorus in H3 PO 4   is: (1) 2   (2) 5        (3) 4                           (4) 1 Ans: 5

Which one is the electronic configuration of fe+2, Which one is the electro...

Which one is the electronic configuration of Fe +2 : (1) 1s 2, 2s 2 , 2p 6 , 3s 2 , 3p 6 , 3d 6          (2) 1s 2 , 2s 2 , 2p 6 , 3s 2 , 3p 4 , 4s 2 (3) 1s 2 , 2s 2 ,

Urea, What is the nature of urea? Is it acidic basic or neautral how can wr...

What is the nature of urea? Is it acidic basic or neautral how can wr verify it?

Why covalent compounds are insoluble in water, Why was covalent compounds a...

Why was covalent compounds are insoluble in water and ionic compounds soluble in water? Ans) When ionic bonds form, one atom becomes positively charged, while the other becomes ne

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

What do you mean by milk foams, Q. What do you mean by Milk Foams? The ...

Q. What do you mean by Milk Foams? The proteins and water in milk are extended into thin films by agitation. These thin films enclose small air bubbles to make foam in which t

Checal bonding, how can you balance k+o2

how can you balance k+o2