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  2. Group 5 element - Wikipedia

    en.wikipedia.org/wiki/Group_5_element

    primordial element. synthetic element. Group 5 is a group of elements in the periodic table. Group 5 contains vanadium (V), niobium (Nb), tantalum (Ta) and dubnium (Db). [ 1 ] This group lies in the d-block of the periodic table. This group is sometimes called the vanadium group or vanadium family after its lightest member; however, the group ...

  3. Periodic table - Wikipedia

    en.wikipedia.org/wiki/Periodic_table

    The periodic table, also known as the periodic table of the elements, is an ordered arrangement of the chemical elements into rows (" periods ") and columns (" groups "). It is an icon of chemistry and is widely used in physics and other sciences. It is a depiction of the periodic law, which states that when the elements are arranged in order ...

  4. Group (periodic table) - Wikipedia

    en.wikipedia.org/wiki/Group_(periodic_table)

    Group (periodic table) In the periodic table of the elements, each column is a group. In chemistry, a group (also known as a family) [ 1 ] is a column of elements in the periodic table of the chemical elements. There are 18 numbered groups in the periodic table; the 14 f-block columns, between groups 2 and 3, are not numbered.

  5. List of chemical elements - Wikipedia

    en.wikipedia.org/wiki/List_of_chemical_elements

    A chemical element, often simply called an element, is a type of atom which has a specific number of protons in its atomic nucleus (i.e., a specific atomic number, or Z). [ 1 ] The definitive visualisation of all 118 elements is the periodic table of the elements , whose history along the principles of the periodic law was one of the founding ...

  6. Period 5 element - Wikipedia

    en.wikipedia.org/wiki/Period_5_element

    A period 5 element is one of the chemical elements in the fifth row (or period) of the periodic table of the chemical elements.The periodic table is laid out in rows to illustrate recurring (periodic) trends in the chemical behaviour of the elements as their atomic number increases: a new row is begun when chemical behaviour begins to repeat, meaning that elements with similar behaviour fall ...

  7. Wikipedia:Featured topics/Group 5 elements - Wikipedia

    en.wikipedia.org/.../Group_5_elements

    The group 5 elements are a group of transition metals located in the periodic table. All the group 5 elements are silvery-blue refractory metals, and their volatility decreases with atomic number . Each occurs naturally, except for dubnium , which is strongly radioactive .

  8. Carbon group - Wikipedia

    en.wikipedia.org/wiki/Carbon_group

    synthetic element. The carbon group is a periodic table group consisting of carbon (C), silicon (Si), germanium (Ge), tin (Sn), lead (Pb), and flerovium (Fl). It lies within the p-block. In modern IUPAC notation, it is called group 14. In the field of semiconductor physics, it is still universally called group IV.

  9. Alkali metal - Wikipedia

    en.wikipedia.org/wiki/Alkali_metal

    primordial. element by radioactive decay. The alkali metals consist of the chemical elements lithium (Li), sodium (Na), potassium (K), [ note 1 ] rubidium (Rb), caesium (Cs), [ note 2 ] and francium (Fr). Together with hydrogen they constitute group 1, [ note 3 ] which lies in the s-block of the periodic table.