Chemistry Questions

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

A chemical bond in which the electrons are not shared equally due to differences in the electronegativity of the atoms.

The polarity of a covalent bond is measured using its dipole moment.

 Large dipole moment = more polar

 Small dipole moment = more nonpolar.

Ammonia can be dried by Calcium Chloride or calcium hydroxide.

Isotopes are atoms of the same element that have different mass numbers.

Example : Hydrogen, Deutirium and tritium all these have different mass but same atomic numbers.

The nucleus of an atom is the densest part of an atom. It contains the protons and neutrons of an atom.