Chemestry 10 Word Scramble
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Question | Answer |
(1829)Observed groups of three elements that were similar. | Johann D. |
(1863) Noticed every 8 element was similar when listed in order by atomic mass. | John N. |
(1917) Used periodic table but placed elements in order by number of protons/atomic number | Henry M. |
(1869) Placed elements in order by atomic mass and found similar elements were repeating patterns. | Demetri M. |
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