So, in order of importance, the 10 rules are as follows: 1) Group 1 elements (all have an oxidation number of +1). Reactions with water . The equations for the reactions: Beryllium. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Reaction of Group-2 Metals with Cl 2 : All Gr-2 metals except Be react with chlorine to give ionic chlorides whereas Be reacts with chlorine to give covalent chloride . It uses these reactions to explore the trend in reactivity in Group 2. Start studying 3.2.2 Group 2: Chemical reactions - Mg-Ba. PERIODIC TABLE GROUP 2 MENU . This page looks at the reactions of the Group 2 elements - beryllium, magnesium, calcium, strontium and barium - with water (or steam).

Describe the trend in the reactivity of group 2 elements with chlorine as you descend down the group.

3) Group 3 elements (all have an oxidation number of +3) 4) Flourine (with an oxidation number of -1)
. Atomic and physical properties . • Atomic radii increases down the group as there are more shells of electrons • Ionic radii increases down the group as theare more shells increase shielding • First ionisation energy decreases down the group as their is more shielding and a larger In each case, you will get a mixture of the metal oxide and the metal nitride. The Reactions of the elements with Chlorine. 2) Group 2 elements (all have an oxidation number of +2). The general equation for the Group is: … The Facts. Understanding Chemistry . The reactions of the Group 2 metals with air rather than oxygen is complicated by the fact that they all react with nitrogen to produce nitrides. Basically there are 10 rules that show which elements and their oxidation numbers take priority in a reaction.
. The Reactions with Air. . The reactions of the Group 1 elementrs with chlorine are similar in appearance to the reactions of the Group 1 metals with oxygen.Sodium, for example, burns with an intense orange flame in chlorine in exactly the same way that it does in pure oxygen. . Looks at the trends in the reactions between the Group 2 … Discusses trends in atomic radius, ionisation energy, electronegativity and melting point of the Group 2 elements.


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