History and structure of the Periodic Table
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Father of the modern periodic table | Dmitri Mendeleev
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| Name of the elements in group 1 | Alkali metals
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| Name of elements in group 2 | Alkaline Earth Metals
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| Large group of metals between group 2 and 3 | Transition Metals
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| Name of group 7 | Halogens
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| Meaning of the word Halogen | Salt maker
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| Name of group 8 | Noble Gases
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| Name of the 2 periods together that are taken out of the main block and put underneath the periodic table | Rare Earth Metals
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| What is the ratio of metals to non-metals in the periodic table? | 3/4 to 1/4
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| Johannes Dobereiner organized elements into groups of _____ called ___________ | 3, triads
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| John Newlands arranged the elements in rows of _________ called ______________ | 8, Octaves
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| What does "periodic" mean? | At regular intervals
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| What is the Periodic Law | When the elements in the periodic table are arranged in order of atomic number their properties repeat periodically
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| What are the vertical columns in the table called? | Groups
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| What are the horizontal rows in the table called? | Periods
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| What do we call metals that behave like non-metals and non-metals that behave like metals? | Metalloids
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| Differences between the modern and Mendeleevs periodic table |
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| Father of the modern periodic table | Dmitri Mendeleev
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| Name of the elements in group 1 | Alkali metals
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| Name of elements in group 2 | Alkaline Earth Metals
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| Large group of metals between group 2 and 3 | Transition Metals
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| Name of group 7 | Halogens
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| Meaning of the word Halogen | Salt maker
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| Name of group 8 | Noble Gases
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| Name of the 2 periods together that are taken out of the main block and put underneath the periodic table | Rare Earth Metals
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| What is the ratio of metals to non-metals in the periodic table? | 3/4 to 1/4
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| Johannes Dobereiner organized elements into groups of _____ called ___________ | 3, triads
🗑
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| John Newlands arranged the elements in rows of _________ called ______________ | 8, Octaves
🗑
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| What does "periodic" mean? | At regular intervals
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| What is the Periodic Law | When the elements in the periodic table are arranged in order of atomic number their properties repeat periodically
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| What are the vertical columns in the table called? | Groups
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| What are the horizontal rows in the table called? | Periods
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| What do we call metals that behave like non-metals and non-metals that behave like metals? | Metalloids
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| Differences between the modern and Mendeleevs periodic table | No gaps in modern,
More elements in modern
Transition metals in separate group in modern
Increasing atomic number in modern not atomic mass
Noble gases are in modern table
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| Who discovered atomic number enabling us to fill the gaps in the table? | Henry Mosely
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ChemistryWaltham
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