In condensed structural formula, every carbon atom is signified individually. Moreover, the following carbon atoms are positioned to the atoms... View Article
The output work is always less than the input work because some input work is used to overcome friction. Therefore, efficiency is always less... View Article
The SN2 reaction is concerted. That is, the SN2 occurs in one step, and both the nucleophile and substrate are involved in the rate determining... View Article
For a compound to show resonating structures, it should 1) have a planar structure2) follow Huckel's rule of electron numbers3) hybridization... View Article
The kulaks formed as a class in Russia after the peasant reform of 1861. By the 20th century they were the most numerous stratum of capitalist... View Article
when the substance changes into one or more different substances through chemical reactions or transformations. This is the process of chemical... View Article
Taxonomy is the branch of science dealing with the identification and classification of organisms. Molecular taxonomic approaches permit an exact... View Article
To write the abbreviated electron configuration we would use the Noble gas Xenon from the 5th period of the table. [X e] 4f14 5d9 6s1 or 1s2 2s2... View Article
Electrons are organized according to their energies into sets called shells. Shells are further divided into subsets of electrons called... View Article
Here are 2 iron atoms, so the atomic mass has to be multiplied by 2, which gives you a value of 111.7 g/mol. 3 oxygen atoms are there, so you... View Article
Due to its high electronegativity , oxygen usually has a negative two charge. For example in the compound, calcium oxide, CaO, calcium has a... View Article
ABO is the best-known system for grouping blood types, though there are other methods. There are four major categories within the ABO group: A,... View Article
A type of gene mutation in which the addition or deletion of one or more nucleotide(s) causes a shift in the reading frame of the codons in the... View Article
Educational psychology refers to the field of psychology that focuses on understanding human learning and intelligence and their relationship... View Article
Embryogenesis is a developmental program initiated with the formation of a zygote and ending in a mature embryo, able to germinate and to develop... View Article
