Study Guide for MS Science Final Exam

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Atom

Back

Basic unit of matter. Made of protons, neutrons, and electrons.

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Matter

Back

Anything that has mass and takes up space.

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Mass

Back

The amount of material an object has.

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Protons

Back

A positively charged (+) particle.

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Neutrons

Back

A particle with no charge.

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Electrons

Back

A negatively charged (-) particle.

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Element

Back

A pure substance made of one type of atom.

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Periodic Table of Elements

Back

A chart that organizes all known elements by atomic number.

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Hydrogen Bonds

Back

The attraction of two hydrogen atoms, one with a negative charge and the other with a positive charge.

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Mixture

Back

A material of two or more substances that are physically combined.