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17+20Vocab
Chapter 17 and Chapter 20 Vocab Words
| Question | Answer |
|---|---|
| the smallest particle of an element that still retains the properties of the element. | Atom |
| The total number of protons in an atom's nucleus. | Atomic Number |
| The weighted-average mass of the mixture of an element's isotopes. | Average Atomic Mass |
| Particles surrounding the center of an atom that have a charge of 1-. | Electrons |
| The area around the nucleus of an atom where the atom's electrons are most likely to be found. | Electron Cloud |
| Uses the symbol for an element that uses dots representing the number of electrons in the element's outer most energy level. | Electron Dot Diagram |
| Vertical column in the periodic table. | Group |
| Atoms of the same element that have different number of neutrons. | Isotopes |
| The sum of all the number of protons and neutrons in an atoms nucleus. | Mass number |
| Neutral particle, composed of quarks, inside the nucleus of an atom. | Neutron |
| The postively charged center of an atom that contains protons and neutrons and is surrounded by a cloud of electrons. | Nucleus |
| A horizontal row in the periodic table. | Period |
| An organized list of all the known elements that are arranged by increasing atomic number and by changes in chemical and physical properties. | Periodic Table |
| A particle, composed of quarks inside the nucleus of an atom that has the charge of 1 +. | Proton |
| Particles of matter that make up protons and neutrons. | Quark |
| A compound that is composed of two elements. | Binary Compound |
| A force that holds atoms together in a compound. | Chemical Bond |
| The chemical shorthand that uses symbols to tell what elements are in a compound and their ratios. | Chemical Formula |
| An attraction formed between atoms when they share electrons. | Covalent Bonds |
| A compound that has water chemically attached to its ions and written into its chemical formula. | Hydrate |
| A charged particle that has either more or fewer electrons than protons. | Ion |
| An attraction between oppositely charged ions in an ionic compound. | Ionic Bond |
| A neutral particle that forms as a result of electron sharing. | Molecule |
| A molecule that shares electrons equally and does not have oppositely charged ends. | Nonpolar Molecule |
| The positive and negative numbers that indicate how many electrons an atom has gained, lost, or shared to become stable. | Oxidation Number |
| They are positively or negatively charged, covalently bonded group of atoms. | Polyatomic Ion |
| A molecule with a slightly positive end and a slightly negative end as a result of electrons being shared unequally. | Polar Molecule |
Created by:
mrscummings
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