Home / Chemistry Learning / Subject Matter

Subject Matter

Elements, Compounds and Mixtures

elements, compounds and mixtures

Elements, Compounds and Mixtures – An element is chemically the simplest substance and hence cannot be broken do using chemical reactions. The Rules in Writing an Element : 1. The Alchemy Period In the alchemy period, elements and compounds the had not been understood, so it was possible that the elements and compounds had the same symbols. For example, water ... Read More »

Salts and Identification of Ions and Gases


Salts and Identification of Ions and Gases – A salt can be defined as a substance formed when the hydrogen in an acid is replaced by a metal ion.  Salt for human consumption is produced in different forms such as unrefined salt (sea salt), refined salt (table salt), and iodized salt. It is a crystalline solid, white, pale pink or ... Read More »