身边的化学物质

<span style="color: rgb(51, 51, 51); font-family: 微软雅黑, 'Microsoft Yahei', Tahoma, Arial, Helvetica, STHeiti; font-size: 14px; line-height: 28px; text-align: left;">2Mg+O</span><sub style="color: rgb(51, 51, 51); font-family: 微软雅黑, 'Microsoft Yahei', Tahoma, Arial, Helvetica, STHeiti; line-height: 28px; text-align: left;">2</sub><img src="http://pic1.mofangge.com/upload/papers/05/20130703/20130703142629023775.png" style="color: rgb(51, 51, 51); font-family: 微软雅黑, 'Microsoft Yahei', Tahoma, Arial, Helvetica, STHeiti; font-size: 14px; line-height: 28px; text-align: left; height: 30px; vertical-align: middle; width: 25px;"><span style="color: rgb(51, 51, 51); font-family: 微软雅黑, 'Microsoft Yahei', Tahoma, Arial, Helvetica, STHeiti; font-size: 14px; line-height: 28px; text-align: left;">2MgO</span>

<span style="color: rgb(51, 51, 51); font-family: 微软雅黑, 'Microsoft Yahei', Tahoma, Arial, Helvetica, STHeiti; font-size: 14px; line-height: 28px; text-align: left;">4Al+3O</span><sub style="color: rgb(51, 51, 51); font-family: 微软雅黑, 'Microsoft Yahei', Tahoma, Arial, Helvetica, STHeiti; line-height: 28px; text-align: left;">2</sub><img src="http://pic1.mofangge.com/upload/papers/05/20130703/20130703142629092775.png" style="color: rgb(51, 51, 51); font-family: 微软雅黑, 'Microsoft Yahei', Tahoma, Arial, Helvetica, STHeiti; font-size: 14px; line-height: 28px; text-align: left; height: 30px; vertical-align: middle; width: 25px;"><span style="color: rgb(51, 51, 51); font-family: 微软雅黑, 'Microsoft Yahei', Tahoma, Arial, Helvetica, STHeiti; font-size: 14px; line-height: 28px; text-align: left;">2Al</span><sub style="color: rgb(51, 51, 51); font-family: 微软雅黑, 'Microsoft Yahei', Tahoma, Arial, Helvetica, STHeiti; line-height: 28px; text-align: left;">2</sub><span style="color: rgb(51, 51, 51); font-family: 微软雅黑, 'Microsoft Yahei', Tahoma, Arial, Helvetica, STHeiti; font-size: 14px; line-height: 28px; text-align: left;">O</span><sub style="color: rgb(51, 51, 51); font-family: 微软雅黑, 'Microsoft Yahei', Tahoma, Arial, Helvetica, STHeiti; line-height: 28px; text-align: left;">3</sub>

<span style="color: rgb(51, 51, 51); font-family: 微软雅黑, 'Microsoft Yahei', Tahoma, Arial, Helvetica, STHeiti; font-size: 14px; line-height: 28px; text-align: left;">3Fe+2O</span><sub style="color: rgb(51, 51, 51); font-family: 微软雅黑, 'Microsoft Yahei', Tahoma, Arial, Helvetica, STHeiti; line-height: 28px; text-align: left;">2</sub><img src="http://pic1.mofangge.com/upload/papers/05/20130703/20130703142629161775.png" style="color: rgb(51, 51, 51); font-family: 微软雅黑, 'Microsoft Yahei', Tahoma, Arial, Helvetica, STHeiti; font-size: 14px; line-height: 28px; text-align: left; height: 30px; vertical-align: middle; width: 25px;"><span style="color: rgb(51, 51, 51); font-family: 微软雅黑, 'Microsoft Yahei', Tahoma, Arial, Helvetica, STHeiti; font-size: 14px; line-height: 28px; text-align: left;">Fe</span><sub style="color: rgb(51, 51, 51); font-family: 微软雅黑, 'Microsoft Yahei', Tahoma, Arial, Helvetica, STHeiti; line-height: 28px; text-align: left;">3</sub><span style="color: rgb(51, 51, 51); font-family: 微软雅黑, 'Microsoft Yahei', Tahoma, Arial, Helvetica, STHeiti; font-size: 14px; line-height: 28px; text-align: left;">O</span><sub style="color: rgb(51, 51, 51); font-family: 微软雅黑, 'Microsoft Yahei', Tahoma, Arial, Helvetica, STHeiti; line-height: 28px; text-align: left;">4</sub>

<span style="color: rgb(51, 51, 51); font-family: 微软雅黑, 'Microsoft Yahei', Tahoma, Arial, Helvetica, STHeiti; font-size: 14px; line-height: 28px; text-align: left;">2Cu+O</span><sub style="color: rgb(51, 51, 51); font-family: 微软雅黑, 'Microsoft Yahei', Tahoma, Arial, Helvetica, STHeiti; line-height: 28px; text-align: left;">2</sub><img src="http://pic1.mofangge.com/upload/papers/05/20130703/20130703142629229435.png" style="color: rgb(51, 51, 51); font-family: 微软雅黑, 'Microsoft Yahei', Tahoma, Arial, Helvetica, STHeiti; font-size: 14px; line-height: 28px; text-align: left; height: 32px; vertical-align: middle; width: 25px;"><span style="color: rgb(51, 51, 51); font-family: 微软雅黑, 'Microsoft Yahei', Tahoma, Arial, Helvetica, STHeiti; font-size: 14px; line-height: 28px; text-align: left;">2CuO</span>

<span style="color: rgb(51, 51, 51); font-family: 微软雅黑, 'Microsoft Yahei', Tahoma, Arial, Helvetica, STHeiti; font-size: 14px; line-height: 28px; text-align: left;">即使在高温也不和氧气反应</span>