Atoms, Elements, Compounds
完成条件
按索引浏览词汇表
特殊 | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | 全部
V
Valence electronAn electron in the outermost shell of an atom that participates in chemical bonding. | |
Valence electronsThe electrons in the outermost shell of an atom that are involved in chemical bonding. | |
VapourThe gaseous form of a substance that is normally a liquid at room temperature. | |