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An element L has 9 protons and valency 1. Another element M has valency 3 and 5. What is the difference in the number of electrons in L and M ?
Q. Illustrate Uses of f-block element? Lanthanides and many of their complexes have received wide industrial applications. For example, europium derivatives are used as phospho
can you give examples of semi-synthetic polymer
how do you calculate the concentration of hcl solution if you are the mass of sodium carbonate and the volume of its solution and the volume of the pipetted solution and the volume
What are ferrites? Ferrites are ceramic compounds containing trivalent metal having three valence electrons, iron and oxide of divalent element i.e. metals having two free ele
The hydration rate of the deuterium-substituted styrene should vary very little, if at all, from that of styrene itself, because the deuteriums are not transferred in the rate-limi
properties of trihydric alcohol.
Chemical characterstics of carbonyl compounds Carbonyl compounds provide chemical reactions due to carbonyl group and α-hydrogens. Carbonyl compounds' Chemical reactions can
Radius of the first Bohr's orbit of hydrogen atom is: (1)1.06 Å (2) 0.222 Å (3) 0.28 Å (4)0.53A Ans: 0.53 Å
There are numerous methods for shielding metals from corrosion (iron from rusting). Some of these methods are being discussed as follows: 1. Barrier protection; in this me
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