Chemical Bonds help explain the relationship of gaining, losing, and even transferring electrons from one atom to another. They make it possible for compounds to go together and form new element like water. They also form granite and other things you can find in the world.
Ionic bonding include anions and cations, the difference between the two is cations come from positive ions while anions come from negative ions. Main metal groups tend to lose electrons and nonmetals gain electrons. So metals are mostly cations and nonmetals tend to be anions.
Both ionic and covalent bonds share one property that is well known in the periodic table. Electronegativity can determine the character of bonding, for example if the electronegativity is below
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Polar covalent is when a bonded atom has an uneven attraction due to the elections being unevenly distributed. Nonpolar covalent bonds are exactly the opposite they have a even attraction and the electrons are evenly distributed.
Formulas can be used to make people understand the bonds between atoms and molecules. An example is structural formula which indicates the kind, number, and arrangement of atoms in a molecule. Another example could be F-F and H-CL these could be structural formulas.
Lewis structures include an element's letter which represents the nuclei and dots surround the letters as do elements around a nuclei. So since hydrogen has one electron it would be shown as a capital H and one for around the letter.
Oxidation numbers in atoms for example sulfur, sodium, and oxygen are the number 0. An oxidation number is used to identify the distribution of electrons in the atoms used to form molecular compounds. Another example is fluorine since it has the most electronegative elements it has a number of -2.
Molecular compounds are chemical compounds in the units of molecules. Also a molecule formula is the type and number of atoms in a molecule. An example is H2O oxygen has two hydrogen atoms and one oxygen