Laboratory investigations are carried out to prove ideas and to verify information. These investigations must be performed with accuracy, safety, and under conditions...
In this chapter, we will study the units of measurement in the metric system and also focus on converting measurements from the English system to the metric system....
Scientific notation is a method used to represent numbers that are either really big and infinitesimally small. For example, Distance from earth to nearest star outside....Properties of matter can...
Matter is anything that has mass and can occupy space. Matter can exist as solid, liquid, gas or plasma. The chemical composition of matter remains the same in all of its forms ...
If classification of matter is based on the state of matter or phase, it often puts substances that are very different in the same group. For example, mercury and bromine exist as liquids ...
All matter is made up of small particles called atoms. Atoms are the building blocks of matter. All living and non-living things are made up of atoms. There are more than 100 different kinds of...
As more and more elements were discovered, it became necessary to have elements organized. Around the1700's there were only 12 known elements, but by the early 1800's there were around 80 known...
Chemical Bonding is the combination of atoms of elements to form new substances. Chemical bonds are formed to lower the energy of a system, in other words to move from an unstable condition to...
