请用元素或化学式表示:'D:r2];I8K5^5d.l
(1)2个氮原子0B.p8Y)V)d*n'D:r2];I8K5^5d.l
(2)3个五氧化二磷分子3U3t.\-P*^,m+K/q3{5D-]4j-n*@8d,n5W4~)u'D:r2];I8K5^5d.l
(3)正二价的镁元素">2z.b,V/P/G'D:r2];I8K5^5d.l
(4)2个氢分子.C+T2E/Y4}+m2~8~.L7d9T2r'D:r2];I8K5^5d.l
(5)一个氯化氢分子)g9H;Q3Z9s)Y'v4[0P'D:r2];I8K5^5d.l
(6)三个碳酸根 3z0])r2f'D:r2];I8K5^5d.l