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chemistry ch 16.2
mr halls class flashcards
| Question | Answer |
|---|---|
| What is atomic mass? | The average mass of all the element's isotopes |
| What is the Periodic Table? | The chart that holds, categorizes, and organizes all of the elements discovered |
| What is a group? | The elements in columns on the periodic table |
| What is a period | Each horizontal row in the periodic table |
| Who was the person that first published a periodic table of elements? | Dmitri Mendeleev |
| What was Mendeleev's bold prediction that was eventually proved to be right? | His prediction was that he predicted and wrote down the atomic mass of elements that had yet been discovered |