click below
click below
Normal Size Small Size show me how
The Periodic Table
| Question | Answer |
|---|---|
| T/F Some elements have the exact same properties as other elements. | False |
| T/F The elements are randomly placed on the periodic table. | False |
| What does the term "periodic" mean. | repeating pattern |
| Which way do periods run? | left to right |
| Which way do groups run? | top down |
| What is another name for periods? | rows |
| What is another name for groups? | columns/families |
| Which set of elements usually has more in common, periods or groups? Why? | Groups, they react with other elements in similar ways. |
| Describe which physical properties change in a predictable pattern as you move from left to right across a period. | Melting point, boiling point, and density increase then decrease as you move from left to right. The number of protons increase as your move from left to right. The atomic mass generally increases as you move from left to right. |
| Where are the metals located on the periodic table? | Left side and middle |
| Where are the nonmetals located on the periodic table? | Right side |
| Where are the metalloids located on the periodic table? | between metals and nonmetals. |
| Identify some properties of metals. | Shiny, conduct heat and electricity, malleable, ductile. |
| Identify some properties of nonmetals. | Dull, brittle, do not conduct heat and electricity, many are gases |
| What does synthetic mean? | made by people |
| Describe the properties of metalloids. | Have properties of both metals and nonmetals. |
| What is used to create the sequential order of elements | atomic number |
| Elements that are ________ each other on the periodic table share similar properties. | nearby |
| The ________ is a chart of the elements arranged into rows and columns according to their chemical and physical properties. | periodic table |
| The atomic number is the number of _________ in the nucleus of an atom of an element. | protons |
| You can identify the properties of an element by studying it's __________ on the periodic table. | placement |
| What is true about elements in the same group? | They share similar chemical properties. |