Periodic Table 5A Word Scramble
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Question | Answer |
A repeating pattern | periodic |
How did Mendeleev arrange the elements in his first published periodic table | Vertical |
How is the atomic mass of each element indicated in Mendeleev's 1st periodic table | By the number following the elements symbol |
In Mendeleev's early periodic tables how were the unknown elements indicated | by a dash |
How did Mendeleev arrange the elements in the first table | Similar properties were grouped together |
What 3 elements were missing from Mendeleev's table but were later discovered | scandium- Sc, gallium- Ga, and germanium- Ge |
What did Moseley work lead to | The Modern definition of atomic number and the recognition that atomic number(number of protons) NOT atomic mass is the basis for the organization of the periodic table |
The physical and chemical properties of the elements are periodic functions of their atomic numbers | Periodic Law |
The bold stair step line on the periodic table separates | Metals on the left from Non-Metals on the right |
Johann Dobereiner | Dobereiner's triads groups of 3 elements with similar properties |
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