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1. www.bbc.co.uk › bitesize › topicsThe Periodic Table - BBC Bitesize

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   The earliest attempt to classify the elements was in 1789, when Antoine Lavoisier grouped the elements based on their properties into gases, non-metals, metals and earths. Several other attempts...

2. www.bbc.co.uk › bitesize › guidesThe periodic table - Edexcel Mendeleev's periodic table - BBC

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   Mendeleev published his first periodic table of the elements in 1869. Learn more on the periodic table in this podcast. Listen to the full series on BBC Sounds. Open Transcript. Features of...

3. www.savemyexams.com › gcse › chemistryHistory of the Periodic Table | AQA GCSE Chemistry Revision ...

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   Jul 11, 2024 · He used the properties and trends of other elements in the group with the gap to predict the properties of these undiscovered elements. When these elements were later discovered and found to fit the pattern developed by Mendeleev, it served to confirm his theories.

4. www.bbc.co.uk › bitesize › guidesGroups and periods - The periodic table - GCSE Chemistry ...

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   the main groups are numbered from 1 to 7 going from left to right, and the last group on the right is Group 0. the block in between Group 2 and Group 3 is where the transition metals are...

5. www.chemistrylearner.com › periodic-table-groupsPeriodic Table: Periods, Groups, and Families - Chemistry Learner

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   • Alkali Metals. The alkali metals are all elements of Group I except hydrogen. These elements have one valence electron. They are highly reactive and can burst into flames when exposed to air.
   • Alkaline Earth Metals. The alkaline earth metals are located in Group 2 of the periodic table, from beryllium (Be) to radium (Ra). They have two electrons in their outermost shell and are the second most reactive after alkali metals.
   • Transition Metals. The transition metals lie from Group 3 to Group 12. They have more than one oxidation state, meaning they can have many oxidation numbers.
   • Post-Transition Metals. The post-transition metals are located in between transition metals and the metalloids. They span from Groups 13 to 16. They have some characteristics of transition metals but are soft and conduct more poorly than transition metals.

6. www.thenational.academy › teachers › programmesGroups of elements in the periodic table - Oak National Academy

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   Periodic table - is a list of all known elements, ordered by increasing atomic number. It is split into vertical columns called groups, and horizontal rows called periods. Group - is a column on the periodic table that corresponds to the number of electrons in the outer shell of an atom.

7. People also ask

   Who developed the periodic table?

   • The periodic table was developed by a Russian scientist called Dimitri Mendeleev. The periodic table contains all the elements organised into groups and periods, according to their properties. The elements in the same group in the periodic table have similar properties.

   Groups of elements in the periodic table - Oak National Academy

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   Which element is a group 15 on the periodic table?

   • Nitrogen group is the group 15 on the periodic table. The elements included in Nitrogen group are; Also see: Complete information on Nitrogen element. Oxygen group is the group 16 on the periodic table. The elements included in Oxygen group are;

   Periodic table Groups Explained !! (With 1-18 Group Names)

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   What is a modern periodic table based on?

   • The modern periodic table is based closely on the ideas he used: The main groups are numbered from 1 to 7 going from left to right, and the last group on the right is group 0. The section in the middle of the table is called the Transition Metals.

   The Periodic Table - BBC Bitesize

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   How did Mendeleev organize elements?

   • He then arranged the elements by putting those with similar properties below each other into groups. To make his classification work Mendeleev made a few changes to his order: group A vertical column in the periodic table containing elements with similar chemical properties. Mendeleev left gaps in his table to place elements not known at the time.

   The periodic table - Edexcel Mendeleev's periodic table - BBC

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   What is a group and a period in a periodic table?

   • Each column of the periodic table is called a group, and each row is called a period. The periodic table was developed by a Russian scientist called Dimitri Mendeleev. The periodic table contains all the elements organised into groups and periods, according to their properties.

   Groups of elements in the periodic table - Oak National Academy

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   How many groups are in the periodic table?

   • There are total 18 different groups in Periodic table. Let me explain each of these groups in short. Alkali metals group is the very first group (group 1) on the periodic table. The elements included in the Alkali metals group are; For detailed information on Alkali metals, read the Ultimate guide on Alkali metals of periodic table.

   Periodic table Groups Explained !! (With 1-18 Group Names)

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8. periodictableguide.com › periodic-table-groupsPeriodic table Groups Explained !! (With 1-18 Group Names)

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   Sep 1, 2024 · Groups in Periodic Table (With Group Names) There are total 18 different groups in Periodic table. Group 1: Alkali metals group (hydrogen not included) Group 2: Alkaline earth metals group; Group 3-12: Transition and Inner transition metals group; Group 13: Boron group; Group 14: Carbon group; Group 15: Nitrogen group; Group 16: Oxygen group