'Slightly positive hydrogen atom' presentation slideshows

2.1 Basic Chemistry

2.1 Basic Chemistry. Matter is anything that takes up space and has mass. All matter, living or nonliving, is made up of elements. 2.1 Basic Chemistry. Elements are substances that cannot be broken down to simpler substances with different properties.

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KEY CONCEPT All living things are based on atoms and their interactions.

2.1 Atoms, Ions, and Molecules. KEY CONCEPT All living things are based on atoms and their interactions. Notes to Copy. H. O. 2.1 Atoms, Ions, and Molecules. Living things consist of atoms of different elements. An atom is the smallest basic unit of matter. An element is one type of atom.

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Chemistry of Life Unit

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Chemistry of Life Unit

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Haggerston School Biology A-Level

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Structure of water

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