Where is bromine used

The halogen family is explained and illustrated in this fun, creative approach to teaching these reactive group 17 elements. Students begin with an outline ... Dimitri Mendeleev (1834- 1907) invented the first periodic table. He arranged the elements by their increasing atomic masses. Elements with similar properties ... Alkaline earth metals are the 2nd column on the table. All of them are silvery metals, have 2 extra electrons, react with halogens (scroll down some) to make ... To complete this quiz, you will need access to a periodic table. Select the best answer from the choices. Good luck. Groups in the periodic table can be classified in specific groups as eg alkali metals, halogens or noble gases, because they have the same number of electrons ... Other groups with specific names are the pnictogens (group 15), chalcogens (group 16), halogens (group 17), and the noble gases (group 18, also known as inert ... Periodic Table and Trends playlist: Halogens. NEXT LECTURE. Periodic Table and Trends. Halogens. Back to Atomic Structure and Molecules · Chalcogen's and Noble ... Explain some trends when going down Group 7 of Halogens in the Periodic Table. Going down Group 7 in the period table, the mass number increases, so the ... ... halogens according to their position in the periodic table belong to Group VIIA, which means they have seven valence electrons and need an additional ... ... halogens, noble gases, and transition metals, based on valence electron patterns using the Periodic Table; and. A student expectation is directly related to ...