已知碘元素符号为I，它的原子结构示意图如图所示：
请结合你所学的化学知识，填写下列空白：
（1）该原子在化学反应中容易 _________ （填“得到”或“失去”）电子；这种元素属于 _________ （填“金属”或“非金属”）元素．
（2）碘元素的化学性质与你学过的哪种元素的化学性质最相似 _________ （填一种化学元素符号即可）．
（3）加碘盐中所指的碘是指碘酸钾中的碘元素（KIO3），则此物质中碘元素的化合价为 ____ _价，该物质的相对分子质量为_________．
（4）我们炒菜时，等到菜快出锅时才放碘盐，这说明碘酸钾可能具有的化学性质是_____________．
（1）得到，非金属．
（2）F或Cl
（3）+5; 214．
（4）碘酸钾受热易分解（或化学性质不稳定）
| 从下面方框中选择适当的选项填入短文中 ,使短文通顺、完整。选项中有两个选项是多余选项。 | |
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