原子序数为12的元素符电歌粒波蒸短己号为：Mg；故答案为：Mg；（2）由图B原子结构示意图可知该元素...
JDycLnqigvhGVvfM7c/XMNIBDMgbYwBShR/WeX/arPjakXzsaI8PxY0 lLBbXE4STUHIpXU05pa+unIdb/ac47+4A4ENNV4A//jOS6JAd0X6uZXiMljQk/JTs7oRQTMlztD+ XF8wXCnWmMzP0owTHNj1DpiieY2rTFNjpg1qU29hmrLEOO0q9+me+lCAwpT4+M62gcKFJSCVUROU 10h9SCBMCyg5ce6Rzr9X3VEHM99Dd+5CRaIZ7L7TXP7MU1LzBaPmKh...