Term
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Definition
| Anything that occupies space which consists of elements |
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Term
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Definition
| Substance that cannot be broken down to other substances |
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Term
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Definition
| Substance that consists of 2 or more different elements at a fixed ratio |
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Term
| What are the elements of life? |
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Definition
| CHON: Carbon, Hydrogen, Oxygen, and Nitrogen |
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Term
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Definition
| smallest unit of matter it retains chemical/physical properties of an element |
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Term
| What are the 3 main sub particles? |
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Definition
| Protons, Neutrons, and Electrons |
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Term
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Definition
| The positively charged subparticle |
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Term
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Definition
| A subparticle that is neutral and has no charge |
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Term
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Definition
| Negatively charged subparticles that are almost weightless/extremely small |
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Term
| How much do Protons and Neutrons weigh? |
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Definition
| They each weigh 1 dalton each |
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Term
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Definition
| The # of protons in an atom, bottom left subscript |
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Term
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Definition
| The sum of protons and neutrons top left, superscript |
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Term
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Definition
| Certain atoms with the same number of protons but a different number of neutrons. for ex:126C and 613C |
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Term
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Definition
| active unstable isotopes because they have the tendency to lose a proton, (which turns into another element) |
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Term
| What is potential energy? |
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Definition
| the energy that matter possesses because of location or structure |
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Term
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Definition
| energy associated with energy and movement |
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Term
| What is an electron shell? |
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Definition
| specific regions where electrons move around; the greater the distance the higher the potential energy. |
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Term
| What can the first shell of electrons hold? |
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Definition
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Term
| How many electrons can the 2nd and valence shells hold? |
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Definition
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Term
| What is the valence shell? |
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Definition
| The outmost shell with up to 8 e |
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Term
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Definition
| when an atom has a complete valence shell and is unreactive |
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Term
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Definition
| the force of attraction between reactive atoms by sharing, losing, or gaining electrons |
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Term
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Definition
| force of attraction between 2 reactive atoms by sharing electrons, 1 pair: single, 2:double, and 3:triple |
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Term
| what is electronegativity? |
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Definition
| attraction of a particular atom for the electrons of a covalent bond |
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Term
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Definition
| forms of atoms of same element with equal electronegativity and equal sharing of e |
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Term
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Definition
| atoms of different elements/molecules with different electronegativities and unequal sharing of e |
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Term
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Definition
| Force of attraction between atoms that carry charge; force of attraction between positive atoms and negative atoms which are cations and anions |
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Term
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Definition
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Term
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Definition
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Term
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Definition
| Any atom that carries a charge |
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Term
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Definition
| attraction between hydrogen and electronegative ions; force of attraction between hydrogen (partially positive), and atoms that are partially electronegative (N or O) |
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Term
| What is a Van Der Waals Interaction? |
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Definition
| between atoms that have nonpolar covalent bonds |
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