What is the symbol for the element Sodium? - Na, What is the atomic number of Carbon? - 6, Which element has the chemical symbol 'O'? - Oxygen, What is the lightest element in the periodic table? - Hydrogen, Which element is known for having the highest atomic number that occurs naturally? - Uranium, What is the chemical symbol for Gold? - Au, Which group in the periodic table contains the noble gases? - Group 8, What is the common name for the element with the symbol 'Fe'? - Iron, Which element is the most abundant in the Earth's crust? - Oxygen, What is the main element found in organic compounds? - Carbon,

Elements

打印
嵌入

排行榜

闪存卡是一个开放式模板。它不会为排行榜生成分数。

视觉风格

选项

切换模板

恢复自动保存：？