Recent questions without an upvoted answer

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1 answer 100 views

What is octet rule? Why do atoms always struggle to atom the nearest noble gas electronic configuration?

asked Nov 22, 2018 in Chemistry by danish (1.0m points)

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1 answer 28 views

Give experimental verification of Boyle's law and Charle's law?

asked Nov 22, 2018 in Chemistry by danish (1.0m points)

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1 answer 24 views

What is metallic bond? Explain it.

asked Nov 22, 2018 in Chemistry by danish (1.0m points)

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1 answer 31 views

Define matter and give details of different states of matter?

asked Nov 22, 2018 in Chemistry by danish (1.0m points)

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1 answer 26 views

Define boiling point and fectors at which boiling point depend.

asked Nov 22, 2018 in Chemistry by danish (1.0m points)

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1 answer 106 views

Define hydrogen bonding .Explain that how these forces affect the physical properties of compounds?

asked Nov 22, 2018 in Chemistry by danish (1.0m points)

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1 answer 44 views

Define shielding effect and electronegativity. Describe the trends of both in periodic table?

asked Nov 22, 2018 in Chemistry by danish (1.0m points)

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1 answer 49 views

How a coordinate covalent compound is formed? Explain it with examples.

asked Nov 22, 2018 in Chemistry by danish (1.0m points)

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1 answer 43 views

Why a dipole develops in a molecule explain.

asked Nov 22, 2018 in Chemistry by danish (1.0m points)

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1 answer 53 views

How many protons and neutrons are there in an atom having A=238 and Z=92?

asked Nov 22, 2018 in Chemistry by danish (1.0m points)

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1 answer 34 views

Name the methods for separating components of the "Ammonium chloride and common salt"?

asked Nov 21, 2018 in Chemistry by danish (1.0m points)

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1 answer 40 views

Write the use of Bunson Burner?

asked Nov 21, 2018 in Chemistry by danish (1.0m points)

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0 answers 39 views

Write the procedure for the preparation of pure copper sulphate, crystal from the given sample of impure copper sulphate.

asked Nov 21, 2018 in Chemistry by danish (1.0m points)

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1 answer 39 views

Write the use of measuring cylinder?

asked Nov 21, 2018 in Chemistry by danish (1.0m points)

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1 answer 54 views

How many electrons can be accommodated in M & N shell?

asked Nov 21, 2018 in Chemistry by danish (1.0m points)

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1 answer 25 views

If both K and L shells of an atom are completely fills ; what is the total number of electrons present in them?

asked Nov 21, 2018 in Chemistry by danish (1.0m points)

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1 answer 40 views

Define relative atomic mass of an element

asked Nov 21, 2018 in Chemistry by danish (1.0m points)

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1 answer 50 views

What do you know about Amedeo Avogadro?

asked Nov 21, 2018 in Chemistry by danish (1.0m points)

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1 answer 32 views

Name the particles which determine the mass of an atom.

asked Nov 21, 2018 in Chemistry by danish (1.0m points)

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0 answers 40 views

What is meant by carbon dating?

asked Nov 21, 2018 in Chemistry by danish (1.0m points)

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