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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 |