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Matter and Change Ch 3

Earth Science
Across
How molecules hold themselves together
The sum of protons and neutrons (#)
Usually a liquid, homogenous mixture of a solvent and a solute
Two or more elements together
If two atoms share a pair of elections
Produces Hydrogen Atoms, low on pH scale
Arranged in regular geomentric patterns
Gases in the Sun; hot, highly ionized
An atom that gains or loses an electron
Made up of protons and nuetrons; in center of cell
Anything that has volume and mass
Water vapor turning into liquid
Little mass, negatively charged particle
Down
A substance that cannot be broken down further
Changing the make up of one or more compounds into other compounds
Tiny particle with a postitive charge
Thye number of protons a molecule has
Ice turning directly to water vapor
Smallest amount of a compound that keeps all properties of t hat compound
Atoms of the same element with different mass numbers
Producces hydroxide atoms, upper eend of pH scale
Positive ions are helod together with negative ions, conducts electricity
Attractive force between 2 or more ions of opposite charge
Densely packed atoms arranged randomly
When a liquid goes to a vapor form
Tiny particle with a neutral charge