Ionic bond,

Periodic table., Lanthanide contraction

Lanthanide contraction

Mention the stages in product life cycle, Q. Mention the stages in product ...

Q. Mention the stages in product life cycle, at which sensory evaluation is used? Initial screening, product optimization, scale up and production are the stages in product lif

Compounds of group 16 elements, Q. Compounds of Group 16 Elements? We w...

Q. Compounds of Group 16 Elements? We will now discuss some compounds like the hydrides, halides and oxides of the Group 16 elements.  All elements of this group form simple

Illustrate properties of protons and neutrons, Q. Illustrate Properties of ...

Q. Illustrate Properties of Protons and Neutrons? Ans. We now know that following fundamental properties of protons and neutrons: 1. The proton has a charge of +1, which

An electron has kinetic energy, An electron has kinetic energy 2.8 x 10 -2...

An electron has kinetic energy 2.8 x 10 -23 J . de-Broglie wavelength will be nearly: (me: 9.1 x 10 -31 kg) (1) 9.28x 10 -4 m                 (2) 9.28 x10 -7 m

Ideal gas, what will be presure if tempreture is -73?

what will be presure if tempreture is -73?

Bio-diesel, In 2008, Safeway has converted all its trucks to bio-diesel B20...

In 2008, Safeway has converted all its trucks to bio-diesel B20 which is a mixture of 20% of bio-diesel produced from soybean and 80% of diesel in volume. It claimed that 34,000 to

Explain the term- vacancies, Vacancies  A vacancy is a lattice position...

Vacancies  A vacancy is a lattice position that is vacant due to the atom is missing. It is formed when the solid is formed. Vacancies are simply empty atom site.

The energy that opposes dissolution, The energy that opposes dissolution of...

The energy that opposes dissolution of a solvent is: (1) Hydration energy                     (2) Lattice energy    (3) Internal energy      (4) Bond energy Ans:  B