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weak attraction of hydrogen and an other atom

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A small attraction made of positive and negative molecules.

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A chemical bond is a lasting attraction with atoms that starts the formation of chemical compounds.

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One of several single elements that have the same number of protons but different number of neutrons.

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The number of protons equal the atomic. The mass number is the number of protons and neutrons.

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The are tiny particles that make up a atom. Protons have a positive charge. Electrons have a negative charge. Neutrons have a neutral charge.

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A weak acid or base that reacts with a strong acid of base to prevent a huge and unexpected change in pH.

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A base has a pH that is above 7, and it makes hydroxide in a solution.

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An acid has a pH that is less than 7, and it makes hydrochloric acid in a solution.

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A mixture composed of water and a non-dissolved material.

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All parts of a mixture are distributed evenly in a solution.

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How much heat energy something needs to increases its temperature.

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Molecules of different substances being attracted to each other.

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Molecules of the same substance being attracted to each other.

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A molecule is polar if it shares its charges unevenly, and a non-polar molecule shares its charges evenly.