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Ask QuestionPosted by Joyita Pal 8 years, 4 months ago
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Posted by Sudhakar Naik 8 years, 4 months ago
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Poulami Dasgupta 8 years, 4 months ago
Molar mass of H2O = 2{tex}\times{/tex}1 + 16= 2+16=18
( atomic weight of H = 1 and O = 16)
Posted by Shivam Sharma 8 years, 4 months ago
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Vinod Kumar 8 years, 4 months ago
DIPOLE MOMENT DEFINITION
A dipole moment is a measurement of the separation of two opposite electrical charges. Dipole moments are a vector quantity. The magnitude is equal to the charge multiplied by the distance between the charges and the direction is from negative charge to positive charge:
μ = q · r
where μ is the dipole moment, q is the magnitude of the separated charge, and r is the distance between the charges.
Posted by Vandana Chauhan 8 years, 4 months ago
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Sahdev Sharma 8 years, 4 months ago
The Stark effect is the shifting and splitting of spectral lines of atoms and molecules due to presence of an external electric field. The amount of splitting or shifting is called the Stark splitting or Stark shift.
The Zeeman effect, named after the Dutch physicist Pieter Zeeman, is the effect of splitting a spectral line into several components in the presence of a static magnetic field. It is analogous to the Stark effect,
Posted by Manpreet Kaur 8 years, 4 months ago
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Sia ? 4 years, 6 months ago
The smallest packet of energy of any radiation is called a quantum whereas that of light is called photon.
Posted by Ankur Raj 8 years, 4 months ago
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Poulami Dasgupta 8 years, 4 months ago
the number of atoms or molecules in one mole of a substance, equal to 6.023 × 1023<font size="2"> </font> is called Avogadro's number
Posted by Ayushi Mahobia 8 years, 4 months ago
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Rupinder Kaur Bhogal 8 years, 4 months ago
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Poulami Dasgupta 8 years, 4 months ago
formula giving the proportions of the elements present in a compound but not the actual numbers or arrangement of atoms.
Posted by Ritika Dhiman 8 years, 4 months ago
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Rupinder Kaur Bhogal 8 years, 4 months ago
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Rupinder Kaur Bhogal 8 years, 4 months ago
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Dr Pathikrt Banerjee 8 years, 4 months ago
Oxygen is the 2nd most electronegative element. When you examine a periodic table, you will find that (excluding the noble gases) the electronegativity values tend to increase as you go to the right and up. The reverse statement is that the values tend to decrease going down and to the left.
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Rupinder Kaur Bhogal 8 years, 4 months ago
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Rupinder Kaur Bhogal 8 years, 4 months ago
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