Chemistry Questions

Lord Kelvin, working in Scotland, developed the Kelvin scale in 1848. His scale uses molecular energy to define the extremes of hot and cold. Absolute zero, or 0 K, corresponds to the point at which molecular energy is at a minimum. The Kelvin scale is preferred in scientific work, although the Celsius scale is also commonly used. Temperatures measured on the Kelvin scale are reported simply as K, not °K.

T (in °C) + 273.15 = T (in K)

T (in K) − 273.15 = T (in °C)

Due to the molecules present in the 2,2-dimethylbutane are closely packed, it has the highest boiling point.

The first two steps in the lithification process are Compaction and Cementation.

An ionic bond is formed between two molecules when transfer of valency electrons take place between them. 

The principal quantum number is the property of an electron which determines the energy of electron and the distance of electron from the nucleus of an atom.

Atoms are composed of three main particles called electrons, protons and neutrons. We know that, the electrons are negatively charged particles whereas protons are positively charged and neutrons have no charge.

Hence, as the number of electrons and protons are equal and they are oppositely charged, the atom will have no charge as their charges cancel each other.