Properties of elements among the B
element B is an element that is rare among 2A to 3A, starting from the fourth period of the periodic table of elements, features among the B's should
know that
: 1. All metal melting at a high boiling point. And high-density
2. The compounds of this element Most have only
three. Electricity, heat and water well
4. Sucked or was induced magnetic
fifth. The number of valence electrons with all except two of Cu Cr valence electrons, which equals 1
to 6. Most of the reaction with metal.
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