What is activation energy, The difference among Threshold energy and averag...

The difference among Threshold energy and average energy of the molecules is known as activation energy.

Atomic structure, Cathode rays have

Cathode rays have

Ionic bond,

100 questions, The mass of CaCl2 (molar mass= 111.0) required to prepare 75...

The mass of CaCl2 (molar mass= 111.0) required to prepare 75.00 milliliters of a 2.000 molar solution of this salt is?

Show that water pressure increases with depth, Another way to show that wat...

Another way to show that water pressure increases with depth Search a tall tin can. Punch holes up the side of the can about 3 cm apart. Put a strip of adhesive or plastic tape

Number of unpaired electrons in nitrogen, The number of unpaired electrons ...

The number of unpaired electrons in nitrogen is: (1) 1        (2) 3        (3) 2        (4) None of these Ans: 3

Periodic trends, what can you deduce about the relationship between ionizat...

what can you deduce about the relationship between ionization energy and reactivity of metals

Physical properties of acetone - aldehydes and ketones, Physical properties...

Physical properties of Acetone - Aldehydes and Ketones (a)  Acetone is a colourless liquid with characteristic pleasant odour. (b) Acetone is inflammable liquid. It boils at

Atomic structure, Cathode rays have

Cathode rays have

The structure of external most shell of inert gases is, The structure of ex...

The structure of external most shell of inert gases is; (1) s 2 p 3                (2)  s 2 p 6                 (3)  s 1 p 2                              (4) d 10