Formula unit
Formula unit
the empirical formula
A compound number is a less well-known term for a composite number. The smallest such number is 4.
two
The chemical formula of a compound shows the number of atoms of each element in the smallest unit of the compound. The smallest unit is a molecule for covalently bonded compounds and the minimum number of each of the right kinds of atoms to achieve electro-neutrality for ionically bonded compounds.
Emperical formula give the smallest whole number ratio of atoms in a compound
there are 3 elements
There are number of compounds made up of covalent bonds. for example water, protiens, silica and etc.
Four
the number of the elements that is present in a compound
The number of elements in a compound can be determined by looking at the chemical formula and identifying each element's symbol. For example, the compound CO2 has two elements, carbon and oxygen. Another example, glucose, has the formula C6H12O6, and has three elements, carbon, hydrogen, and oxygen.
It tells you what type of bonding whether; Ionic, Metallic, Covalent Network or Molecular Covalent. It tells you the elements that make up the compound. It also tells you the stage of matter; solid, liquid or gas. And since you known the elements you can find out really anything you want to know about it like; # of protons, # of neutrons, mass number, atomic weight, reactivity, etc.