What is a chemical bond?
A chemical bond is the force that holds atoms together that form a chemical compound. (2)

What are types of chemical bonds?
nonpolar bond
covalent bonds
Ionic bonds

double bond 

What have chemical bonds? 
molecules
chemical compounds

Resources
1. https://www.thoughtco.com/definition-of-polar-bond-and-examples-605530
2. https://chem.libretexts.org/Bookshelves/General_Chemistry/Book%3A_General_Chemistry%3A_Principles_Patterns_and_Applications_(Averill)/08%3A_Ionic_versus_Covalent_Bonding/8.01%3A_What_is_a_Chemical_Bond

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