MOLECULAR FORMULA DEFINITION
A formula which tells the actual number of atoms present in a molecule of a substance is known as molecular formula.
Examples: H2O2 and C6H12O6 are the molecular formulas of hydrogen peroxide and glucose respectively.
A formula which tells the actual number of atoms present in a molecule of a substance is known as molecular formula.
Examples: H2O2 and C6H12O6 are the molecular formulas of hydrogen peroxide and glucose respectively.
Students & professionals from other sciences quite often ask the question, why is chemistry called the Central Science. Is it physics with the fundamental laws small blocks of built atoms added mass that allows the calculations to take place and prediction of the final product Or Is it chemistry that enables thought process atoms to…
A reactant that controls the amount of the product formed in a chemical reaction due to its smaller amount is called limiting reactant. Excess reactant: A reactant which is present in large amount in a chemical reaction & some of its amount left after the completion of chemical reaction is called excess reactant. Explanation:…
Intermolecular Forces Definition Chemistry: The attractive forces that exist between the individual particles (molecules, atoms or ions) are called intermolecular forces. (Van der Waals’ forces). The physical state of a substance depends on the strength of intermolecular forces. The properties of liquids such as boiling point, heat of vaporization, vapour pressure, surface tension and viscosity…
Many elements exist as a mixture of their isotopes. The atomic masses of such elements depend upon the number of their isotopes and their natural abundances. This is why their atomic masses are in fraction. This can be explained through following example, EXAMPLE: A sample of neon is found to consist of 20Ne, 21Ne and…
The associate degree (AD) in Chemistry, equivalent to the European level 5, is a two-year higher professional education between the four-year MBO (level 4) and the four-year HBO bachelor (level 6). Many people think a four-year bachelor’s degree is far too long, especially if you want to do it part-time, you are vulnerable, because work,…
The stock system in chemistry is used for naming ionic compounds. There are some metals, which actually have more than one possible oxidation state. The stock system let us know which version of that metal ion we are considering. For example, copper can be either from a Cu+1 or Cu+2. Similarly, iron can form Fe+2…