Life Chemistry and Energy 2. Chapter 2 Life Chemistry and Energy Key Concepts 2.1 Atomic Structure Is the Basis for Lifes Chemistry 2.2 Atoms Interact.
Atomic Structure The Idea of the Atom Early Models Greek philosophers – 450 B.C. what is the smallest particle? Democritus - Particles are atomos An.
Atoms, Elements and the periodic table Matter All matter is composed of atoms and groups of atoms bonded together, called molecules. Substances that.
What is Radiation? The breaking down of unstable atomic nuclei As the nucleus of an unstable atom breaks down, it gives out rays and particles called.
11.3 Notes. 1.Atomic Structure a.The structure of an atom consists of protons and neutrons in the nucleus and electrons on the energy levels surrounding.
1 Inorganic Chemistry. 2 I.Matter A.Anything that has mass and takes up space. B.Matter exists in 3 states or phases: 1.Solid - have definite shape and.
Chapter 4 Atomic Structure
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Life Chemistry and Energy 2. Chapter 2 Life Chemistry and Energy Key Concepts 2.1 Atomic Structure Is the Basis for Life’s Chemistry 2.2 Atoms Interact.
NOTES 4 – Atomic Structure. The Idea of the Atom Democritus (~400 BC) Democritus (~400 BC) Greek philosopherGreek philosopher “All matter is made of tiny,
