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Chem PeriodicTable
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| Question | Answer |
|---|---|
| What is a representative element? | Elements in the S block or the P block |
| What is electronegativity? | Also called electron affinity - the attraction that an element has for new electrons |
| What is ionization energy? | The amount it takes to remove an electron from an atom. The first electron is always easier and requires less energy to remove. |
| What is the atomic radius? | The measure of the size of an atom from the distance of the nucleus to the electron, |
| Which element has the highest electronegativity? | Fluorine |
| Which element has the lowest electronegativity? | Francium |
| Which element has the highest (first) ionization energy? | Fluorine |
| Which element has the lowest (first) ionization energy? | Francium |
| Which element has the smallest atomic radius? | Helium |
| Which element has the largest atomic radius? | Francium |
| Which family of elements don't possess electronegativity? | Noble Gases |
| What happens if an atom gains a negative charge by gaining electrons? | The atomic radius will increase |
| What happens if an atom LOSES electrons (making the charge more positive?) | The atomic radius will decrease. |
| What are the three types of classification for the elements? | Metals, Nonmetals, Metalloids/Semimetals |
| List the most important properties of metals. | Shiny, typically gray in color, solid at room temp, good conductors of electricity and heat |
| What is an alloy? | A mix of two metals that have better attributes than its parents (Copper+Zinc=Brass) |
| What are the properties of a nonmetal? | Dull/no color, variety of color, all but one are solids/gases at room temp, poor conduction of electricity |
| What are the properties of a metalloid? | Mixed properties from both metals and nonmetals |
| How did Dobereiner organise the elements? | Using triads - he made groups of 3 elements that shared common properties - method eventually became obsolete |
| What was Newland's Law of Octaves? | The fact that when placed in order of atomic MASS, properties tended to repeat every EIGHTH element - periodicity |
| Who was credited with created the modern-day periodic table? | Mendeleev |
| What is a family in chemistry terms? | A group where elemental similarities were more extensive, listed usually as a column on the periodic table. |
| Alkali Metals | Found on G1 of the periodic table, violent reactions, found naturally only as part of compounds |
| Alkaline Earth Metals | Found in G2, strong reactive metals |
| Chalcogens | Found in G16, strongly reactive NONmetals |
| Halogens | Found in G17, violently reactive NONmetals |
| Noble Gases | Do not react under normal conditions, used to protect other substances, like paper |
| Transition Metals | Found in G3-G12, Form more than 1 type of Ion, used to create colored compounds and solutions |
| Where are metalloids located on the periodic table? | On the "staircase" part |
Created by:
leahkatzstudystack