Groups of the periodic table - Chemistry Stack Exchange
May 5, 2020 · The groups go from 1 to 18 in the periodic table. When looking at the transition metals in the periodic table, You see roman numerals labelled with 'B,' in the order of III, IV, V, …
What is each vertical column in the periodic table? - Answers
Jun 3, 2024 · Each vertical column in the periodic table is group.There are 18 groups in periodic table.Seventeenth group belongs to halogens.
What are two most reactive groups in the periodic table?
Jun 3, 2024 · The two columns of elements in the periodic table that contain the most reactive elements are columns 1 and 17, the alkali metals and halogens respectively.
Are periods the horizontal numbers on the periodic table and …
Sep 15, 2023 · At the Periodic table, each row of the table is a period, starting with alkali metal, reacting with water, progressively going through elements loosing metallic properties and …
Which 2 groups are the most reactive on the periodic table?
May 31, 2024 · The two most reactive groups of elements in the periodic table are the alkali metals and the halogens.
Why s block has only 2 groups? - Answers
Jan 15, 2025 · The s block elements are in groups 1 and 2, while the p block elements are in groups 13 to 18. These elements are located on the left and right sides of the periodic table, …
Why do some periodic tables have 18 groups while others have 8?
Mar 16, 2016 · In school I have been taught about the periodic table with 8 groups, representing the number of electrons in the outer shell (with exceptions). But online almost all I can find is …
Why are there 3 columns in Group VIII of the Periodic Table?
Apr 30, 2016 · I'm currently reading in-depth about the layout of the Periodic Table, and I wondered why the table has 3 columns in its Group VIII: As I understand, this is an old …
Which groups of elements on the periodic table are very reactive?
May 26, 2024 · The most reactive elements on the periodic table are the alkali metals. Starting just under Hydrogen on the far left of the table is the first alkali metal atomic #3 Lithium, #11 …
What elements are least reactive on the periodic table?
May 25, 2024 · The two most reactive groups of elements in the periodic table are the alkali metals and the halogens. Halogens are nonmetals located in group 17 of the periodic table …