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9th Week 3 Vocab
Week 3 Tier 2 Vocabulary Words
| Term | Definition |
|---|---|
| substrate | the substance that is acted upon by an enzyme or ferment. |
| onset | the beginning or early stages. |
| maturation | the act of coming to full development. |
| mass | the property of a body that causes it to have weight. |
| interval | the distance between things. |
| abundant | present in great quantity. |
| characteristic | typical or distinctive. |
| combustion | a reaction of a substance with oxygen to give heat and light. |
| alliteration | use of the same consonant at the beginning of each word. |
| deposition | the act of putting something somewhere. |
| reactivity | the tendency of two or more chemicals to react |
| valence electron | an electron that resides in the outermost shell, or principal quantum level, of an atom |
| period | one of the horizontal rows in the periodic table. All elements in a row have the same number of electron shells. |
| family | a group of elements with similar chemical properties. Chemical families tend to be associated with the vertical columns on the periodic table |
| compound | a pure substance that is formed when two or more different elements combine; can usually be separated into component elements by chemical reaction |
| molecule | two or more atoms joined together |
| covalent bond | a type of chemical bond in which electrons are shared by atoms |
| ionic bond | a chemical bond in which one atom gives up electrons (cation) to another atom that gains the electrons (anion); results from a difference in electronegativity greater than 1.7 |
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Mason Science
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