Structure of Matter
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
P
PhotonThe force carrier of the electromagnetic interaction. | |
PositronThe positively charged antiparticle of the electron. | |
ProtonA positively charged particle found in the nucleus. | |