grade 8 chemistry program

- This is a representative list of topics covered in our Grade 10 Chemistry program - however all programs will be customized for the individual studen..

- This is a representative list of topics covered in our Grade 12 Chemistry program - however all programs will be customized for the individual studen..

Calculate the gram atoms present in 8g of oxyge..

The value of n is obtained through the relation,..

Carbon dioxide is extensively used in aerated drinks. Increasing the pressure increases the solubility of the gas. The fizz in the drink is due to carbon dioxide being liberated when the pressure is reduce..

An example of sharing of two pairs of electrons (Double bond). Two atoms of oxygen share two pairs of electrons to form one molecule of oxygen (Fig. 3.5). Note :..

Two hydrogen atoms mutually share one electron each with an atom of oxygen to form a water molecule (Fig. 3.8). Note ..

Element Lithium Beryllium Boron Arithmetic mean Atomic mass 7.0 9.0 11.0 9.0 Element Lithium Sodium Potassium Arithmetic Mean Atomic mass 7.0 230 39.0 23.0 Element Carbon Nitrogen Oxygen Arithmetic mean Atomic mass 12.0 14.0 16...

The two atoms of oxygen mutually share two pairs of electrons each with an atom of carbon to form a molecule of carbon dioxide (Fig. 3.13). Note : In the above diagram only the valence or outermost shell of carbon and oxygen atoms are shown..

Representative elements are those elements whose inner shells are complete and whose outer shell (valency shell) has 1 to 7 electron..