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(ii) Potassium is also in group 1 of the periodic table. What is the symbol for the potassium ion? Choose from: K K+ K2+ K-K2-.....[1] (c) Group 1 elements are stored in oil.
This question is about Group 7 elements. Chlorine is more reactive than iodine. (a) Name the products formed when chlorine solution reacts with potassium iodide
8 mar 2021 · Here is a collection of free chemistry worksheets, handouts, and other printables at elementary, middle school, high school, and college level.
• There are common groups of atoms which occur regularly in chemistry • Examples include the carbonate ion(CO3 2-), sulfate ion (SO 4 2-), hydroxide ion (OH–) and the nitrate ion (NO3 –) • When these ions form a compound with a metal atom, the name of the metal comes first • E.g. KOH is potassium hydroxide, CaCO3 is calcium carbonate
26 maj 2022 · These element names and symbols worksheets help you practice identifying the one- and two-letter element symbols and the names of the elements of the periodic table. Worksheets include both questions and answers. Download, print, or work online using PDF, PNG, or Google Apps formats.
17 maj 2014 · This handy element list includes each element's name, atomic number, and element symbol arranged by atomic number. A PDF list is available for printing.
ADA - KS3. Knowledge series |Chemistry | Elements, atoms and compounds | Kevin Brace Page 4 of 24 Task: Revise your knowledge of the Periodic Table key terms, by answering the nine questions below. Underline the correct answer for each question. 1. Which of the following is the symbol for copper? C Ca Co Cu 2.
