The number of electrons for the K atom are 19 electrons. the first two electrons will go in the 1s orbital. Since 1s can only hold two electrons... View Article
Moment of force is the rotational effect of a force, which is equal to the force multiplied by the perpendicular distance between a pivot and the... View Article
Copper(II) sulfate, also known as cupric sulfate, or copper sulphate, is the inorganic compound with the chemical formula CuSO4.xH2O, where x can... View Article
The average atomic mass of a chemical element is calculated by taking into account the atomic masses of its naturally occuring isotopes and their... View Article
The 20th century astronomer and author Robert Burnham Jr. devised this ingenious way to indicate the distance of one light-year to easily express... View Article
Two Dutch spectacle-makers and father-and-son team, Hans and Zacharias Janssen, create the first microscope in 1590. By placing different types... View Article
Linkage isomers are two or more coordination compounds in which the donor atom of at least one of the ligands is different. This type of... View Article
In a bond between two atoms M and X, the amount of covalent character in the M-X bond will depend on the difference in electronegativity. If... View Article
Propene is composed of 3 carbon atoms and 6 hydrogen atoms. It also has one double bond from the middle carbon to one of the outer carbons, and... View Article
An electron has a charge of −1. In terms of coulombs, it is just the negative version of the elementary charge e. A charge of an electron... View Article
200 degrees in Fahrenheit is 93.33. convert a temperature reading in Fahrenheit to Celsius: Start with the temperature in Fahrenheit (e.g., 100... View Article
11 isomers of C3H6O can be identified. They are Prop-2-en-1-ol Methoxyethene Propanone Prop-1-en-2-ol Propanal And its two tautomeric isomers... View Article
A difference between the moon & the Earth and the sun is that the sun is made out of gas, but the moon and the Earth is not, because they... View Article
Benzene has 6 molecular π orbitals. The bond order is half the difference between the number of bonding and antibonding electrons. Of these,... View Article
Francium has no uses, having a half life of only 22 minutes. Francium is obtained by the neutron bombardment of radium in a nuclear reactor. It... View Article
Boron has atomic number 5 and mass number 5+6=11. Therefore, K shell will accommodate 2 electrons and L shell will accommodate remaining... View Article
Air is a mixture of several gases, where the two most dominant components in dry air are 21 vol% oxygen and 78 vol% nitrogen, Argon: 0.934% and... View Article
The number of oxygen electrons = 8 Here Oxygen gained 2 electrons and form O2- Therefore, the electrons in O2- will be 8+2=10 Electronic... View Article
The valency of an element is the number of hydrogen atoms that can combine with or replace (either directly or indirectly) one atom of the... View Article
