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Bio

Chapter 1 Part 2

TermDefinition
Matter Anything that has mass and takes up space is matter
Matter is made of Atoms
Atoms is the Smallest unit of matter
Atoms contain Sub atomic particles
Protons Positive
Nuetrons Neutral
Electrons Negative
Protons are Located in the Nucleus
Neutrons are Located in the Nucleus
Electrons are Located around the Nucleus
Atoms usually have NO net electrical charges
Elements substance made entirely of one type of atoms
Elements can NOT be broken down
Atomic number Number of protons
Atomic mass Number of protons + number of neutrons
Elements form Compounds
Compounds are made up of 2 or more elements
Covalent Bonds Atoms share electrons with each other
Non-polar Equal sharing of electrons
Polar Not equal sharing of electrons
Ionic bonds formed by transferring (giving/receiving) electrons
Ions are atoms that have a Positive or negative charge
Atoms have either lost or gained an Electron
Properties of water 1 Water molecule
Water molecule is H2O and is a Polar molecule
Properties of water 2 Hydrogen bonds
Hydrogen bonds exist between water molecules Which are polar
Hydrogen bonds are weak
Properties of water 3 Hydrogen bonds in water result in unique properties
Properties of water 4 Adhesion
Adhesion Different molecules stick to other surfaces
Properties of water 5 Good solvent
Good solvent Dissolves many things
Properties of water 6 Becomes less dense as a solid
Created by: CharliePusheen
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