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Intro to PTable
| Question | Answer |
|---|---|
| Who created the periodic table? | Dmitri Mendeleev |
| How is the periodic table arranged? | By increasing atomic number |
| How are groups arranged on the periodic table? | From top to bottom (vertically/columns) |
| The number of shells an atom has can be found by locating the ________________ it is in within the periodic table. | period |
| The number of valence electrons an atom has can be determined by its _________________ number. | group |
| Which property describes a nonmetal? | brittle |
| Which of the following is the nickname for metalloid? | semi-conductor |
| How are periods on the periodic table arranged? | horizontally |
| The subatomic particles protons and neutrons are found in the atom's ___________________? | nucleus |
| _______________________ metals are the most reactive metals on the periodic table. | alkali |
| __________________ metals have 2 valence electrons | alkaline earth |
| Electrons found on the outermost shell of an atom. | valence |
| ________________________ metals are often used for industrial purposes. | transition |
| There are __________ periods on the periodic table. | 7 |
| There are ___________groups on the periodic table. | 18 |
| There are only 2 ________________ on the entire periodic table. | liquids |
| Silcon would be an example of an element located at the __________________________ | zig-zag line of periodic table |
| Many ____________________ are commonly used to make steel. | lanthanides |
| Another word to describe a radioactive element is _____________________________. | unstable |
| Transition metals are less __________________ than alkaline earth and alkali metals. | reactive |