is a pure substance that is made of only one kind of atom. The symbol for an contains two letters, the first letter is always etter is always is always one or two letters. When the symbol and the second is a pure substance containing two or more elements that are combined. A is s represented by a chemical The elements in a always combine in proportions. is made of two or more substances that are combined. The A special name for this is uniformly mixed is called that is uniformly mixed is called that is not A special type of mixture that is a solid of two or more metals is called an be separated using Mixtures can a variety of techniques, examples are
States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
Trending now
This is a popular solution!
Step by step
Solved in 2 steps