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What is an atom?
A nucleus of positively charged protons and neutrally charged neutrons
What are electrons?
Negatively charged, outside the nucleus
What are chemical molecules?
Groups of 2+ atoms held together by chemical bonds
Why do chemical bonds form between atoms?
Because of interaction between their electrons
What is electronegativity?
The ability of an atom to attract electrons
What plays a large role in determine the type of bond that forms between atoms?
The electronegativity of the atom
What are the three types of bonds?
1. Ionic
2. Covalent
3. Hydrogen
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