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chp.13
study Questions chp13
| Question | Answer |
|---|---|
| Electrons in an atom are organized by | energy level |
| What are the only parts of an atom that make chemical bonds? | Valence electrons |
| The __________is the same within each group of the Periodic Table. | number of valence electrons |
| Why don’t the Noble Gases normally form chemical bonds? | They have a full outer energy level |
| A __________is the interaction that holds two atoms together. | chemical bond |
| ___________ are electrons in the outermost energy level of an atom. | Valence electrons |
| What indicates the number of protons in an atom? | the atomic number. |
| What indicates the number of valence electrons on the periodic table? | The group numbers for #1-8; Subtract 10 for groups 11-18. |
| In a _________ion, electrons are given off. | positive. |
| In a _________ion, electrons are gained. | negative. |
| The _____ending is used for the names of negative ions formed when atoms_______electrons. | -ide,gain |
| ___________ are charged particles that form when atoms gain or lose electrons. | Ions |
| An ___________bond forms when electrons are transferred from one atom to another | ionic |
| A repeating three-dimensional pattern that forms when ions bond is called a ____________. Because of this structure | crystal lattice |
| ________ bonded molecules are brittle, have a high melting point and a high boiling point | ionically |
| The _____________ indicates the number of electrons an atom will gain or lose during an ionic bond. | Oxidation number |
| _______________ typically form between _______and____________ | Ionic bonds,metals,nonmetals |
| The formation of an ionic chemical bond produces a new ____________ | substance |
| _____________ are used to predict how atoms might bond. | Electron dot diagrams |
| In the first energy level, ____electrons are needed to have a full level. | 2 |
| In the second energy level, ________electrons are needed to have a stable outer energy level. | 8 |
| A ____________________ is the smallest particle into which a covalently bonded compound can be divided and still be the same compound. | molecule |
| ______ occurs if there are less than_____ electrons in the outermost energy level. | Bonding,8 |
| __________________ are made up of two atoms of the same element. | Diatomic molecules |
| List some examples of diatomic elements. | Hydrogen, Oxygen, Nitrogen, and the Halogens |
| a_________ is formed by the attraction between positively charged metal ions and the electrons in the metal. | metallic bond |
| _______________ is the ability of metals to be drawn into wires | Ductility |
| _____________ is the ability of metals to be hammered into sheets. | Malleability |
| What allows metals to be bent, but not broken? | Constantly moving electrons. |
| a______________ bond forms when atoms share one or more pairs of electrons. | covalent |
| a_________________ is the smallest unit of a substance that keeps all of the properties of that substance. | molecule |
| ________________________ bond appears as a common electron cloud creating a sea of electrons. | metallic |
| ____________ bonded molecules are good conductors of electricity, are malleable and ductile. | Metallic |
| List some examples of covalent bonds. | O2, Water, DNA, plastics, sugar |
| ______ typically form between two _________ | Covalent bonds,non-metals |
Created by:
briannaC.