representative metals

Which Metal In Period 5 Is Very Reactive And Has 2 Valence Electrons In Each Atom?

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Which Metal In Period 5 Is Very Reactive And Has 2 Valence Electrons In Each Atom? Like rubidium, it has 5 electron shells or energy levels, and in accordance with the Madelung rule it has two electrons in its 5s subshell. Strontium is a soft metal and is extremely reactive upon contact with water. Which

What Are The Group Of Representative Elements?

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What Are The Group Of Representative Elements? In chemistry and atomic physics, the main group is the group of elements (sometimes called the representative elements) whose lightest members are represented by helium, lithium, beryllium, boron, carbon, nitrogen, oxygen, and fluorine as arranged in the periodic table of the elements. Are group elements elements representative? On