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Chem Chap 5 Sec 2
Electron Configuration and the Periodic Table
| Question | Answer |
|---|---|
| Noble gases fall into what numerical group of the Periodic Table | Group 18 |
| What governs the atom's chemical properties | The electron configuration of an atom's highest occupied energy level |
| In the modern periodic table how are the elements arranged | Vertically in groups that share similar chemical properties and horizontally in rows, or periods |
| How many periods are there in the modern periodic table | Seven |
| What determines the length of each period in the modern periodic table | The number of electrons tha can occupy the sublevels being filled in that period |
| What number of elements are in Period 1 and what sublevels in order of filling | 2 Elements. Sublevels in order 1s |
| What number of elements are in Period 2 and what sublevels in order of filling | 8 Elements. Sublevels in order 2s & 2p |
| What number of elements are in Period 3 and what sublevels in order of filling | 8 Elements. Sublevels in order 3s & 3p |
| What number of elements are in Period 4 and what sublevels in order of filling | 18 Elements. Sublevels in order 4s & 3d & 4p |
| What number of elements are in Period 5 and what sublevels in order of filling | 18 Elements. Sublevels in order 5s & 4d & 5p |
| What number of elements are in Period 6 and what sublevels in order of filling | 32 Elements. Sublevels in order 6s & 4f & 5d & 6p |
| What number of elements are in Period 7 and what sublevels in order of filling | 32Elements. Sublevels in order 7s & 5f & 6d & 7p |
| How is the period of an element determined | From the elements elecron configuration. |
| How is the periodic table divided | Into four blocks s, p, d, and f blocks |
| What are the block letter for Group 1 & 2 | This is the s-block |
| What are the block letters for Group 3 through 12 | This is the d-block |
| What are the block letters for Group 13 & 18 | This is the p-block |
| What are The block letters for elements labeled 58 - 103 | This is the f-block. |
| In the common periodic table, how are the elements arranged | Vertical groups and in horizontal periods |
| List metals | Alkali metals, Alkaline-earth metals, Transition metals |
| List nonmetals | Halogens, Noble gases |
| The elements of the s block are what type of metals | reactive |
| True or False: Group 1 metals are more reactive than those in Group 2 | True |
| The elements of Group 1 of the periodic table (lithium, sodium, potassium, rubidium, cesium, and francium are | alkali metals |
| Describe alkali metals in their pure state | silvery appearance and is soft enough to cut with a knife |
| Are alkali metals found in nature as free elements | No |
| How is alkali metals stored & why | It is stored in kerosene because of the extreme reactivity with air or moisture. |
| The elements of Group 2 of teh periodic table (berylliu,, magnesiu, calcium, strontium, barium, and radium) are called | alkaline-earth metals |
| Describe Group 2 metals | harder, denser, and stronger than teh alkali metals. It has higher melting points. |
| Can alkaline-earth metals be found in nature as free elements | No because they are too reactive |
| The d-block elements that are metals with typical metallic properties and are often referred to as | transition elements. |
| Transition elements are good conductors of what | Electricity |
| What are the least reactive of all the transition elements | Palladium, platinum, and gold |
| What are examples of transition elements | Mercury, tungsten, & vanadium |
| The p-block elements together with the s-block elements are called | main-group elements |
| For atoms of the p-block elemenets, the total number of electrons in teh highest occupied level is equal to the group number minus what | 10 |
| Name the six metalloids | boron, silicon, germanium, arsenic, antimony, adn tellurium |
| The elements of Group 17 (flourine, chlorine, bromine, iodine, and astatine are known as | halogens |
| What are the most reactive nonmetals | Halogens |
| Halogens react vigorously with most metals to form what | compounds known as salts |
| What elements are gases at room temperature | Fluorine and chlorine |
| Which element is a reddish liquid | bromine |
| which element is a dark purple solid | iodine |
| What element is a synthetic prepared in small quantities | Astatine |
| Hydrogen does not share teh same properities as teh elements in what Group | Group 1 |
| Hydrogen has an electron configuration of | 1s |
| Hydrogen's configuration is | ns1 |
| The number of teh highest occupied energy level | 5 |
| If the group number is higher than 12, the element is in which block | P |
| Which block of elements are wedged between Group 3 & 4 in the 6th & 7th periods | f-block |
| What is the 1st row of the f-block | Lanthanides |
| What is the 2nd row of the f-block | actinides |
| Group numbers are not assigned to what block | F-block |
Created by:
tbstinso
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