初三化学元素周期表 原子序数 元素符号 元素名称 相对原子质量 元素名称读音 1 ? H 氢 1.0079 (qīng)? 2 He 氦 4.0026 (hài) 3 Li 锂 6.941 (lǐ) 4 Be 铍 9.0122 (pí) 5 ? B 硼 10.811 (péng) 6 ? C 7 ? N 8 ? O 9 ? F 10 Ne 11 Na 12 Mg 13 Al 14 Si 15 P 16 S 17 Cl 18 Ar 19 K 20 Ca 21 Sc 22 Ti 23 V 24 Cr 25 Mn 26 Fe 27 Co 28 Ni 29 Cu 30 Zn 31 Ga 32 Ge 33 As 34 Se 35 Br 36 Kr 37 Rb 38 Sr 39 Y 40 Zr 碳 12.011 氮 14.007 氧 15.999 氟 18.998 氖 20.17 钠 22.9898 镁 24.305 铝 26.982 硅 28.085 磷 30.974 硫 32.06 氯 35.453 氩 39.94 钾 39.098 钙 40.08 钪 44.956 钛 47.9 钒 50.94 铬 51.996 锰 54.938 铁 55.84 钴 58.9332 镍 58.69 铜 63.54 锌 65.38 镓 69.72 锗 72.5 砷 74.922 硒 78.9 溴 79.904 氪 83.8 铷 85.467 锶 87.62 钇 88.906 锆 91.22 (tàn) (dàn) (yǎng) (fú) (nǎi) (nà) (měi) (lǚ) (guī) (lín) (liú)? (lǜ)? (yà) (jiǎ) (gài)? (kàng) (tài) (fán) (gè) (měng)? (tiě)? (gǔ) (niè) (tóng) (xīn) (jiā)? (zhě) (shēn) (xī) (xiù) (kè) (rú)? (sī) (yǐ)? (gào)? 41 Nb 铌 92.9064 (ní) 42 Mo 钼 95.94 (mù) 43 Tc 锝 (99) (dé) 44 Ru 钌 161.0 (liǎo)? 45 Rh 铑 102.906 (lǎo)? 46 Pd 钯 106.42 (bǎ)? 47 Ag 银 107.868 (yín)? 48 Cd 镉 112.41 (gé) 49 In 铟 114.82 (yīn)? 50 Sn 51 Sb 52 Te 53 I 54 Xe 55 Cs 56 Ba 57-71 La-Lu 57 La 58 Ce 59 Pr 60 Nd 61 Pm 62 Sm 63 Eu 64 Gd 65 Tb 66 Dy 67 Ho 68 Er 69 Tm 70 Yb 71 Lu 72 Hf 73 Ta 74 W 75 Re 76 Os 77 Ir 78 Pt 79 Au 80 Hg 81 Tl 82 Pb 83 Bi 锡 118.6 锑 121.7 碲 127.6 碘 126.905 氙 131.3 铯 132.905 钡 137.33 镧系 镧 138.9 铈 140.1 镨 140.9 钕 144.2 钷 (147) 钐 150.3 铕 151.96 钆 157.25 铽 158.9 镝 162.5 钬 164.9 铒 167.2 铥 168.9 镱 173.04 镥 174.967 铪 178.4 钽 180.947 钨 183.8 铼 186.207 锇 190.2 铱 192.2 铂 195.08 金 196.967 汞 200.5 铊 204.3 铅 207.2 铋 208.98 (xī)? (tī)? (dì) (diǎn) (xiān) (sè)? (bèi)? (lán) (shì) (pǔ) (nǚ) (pǒ) (shān) (yǒu) (gá) (tè)? (dī)? (huǒ) (ěr)? (diū) (yì)? (lǔ)? (hā) (tǎn)? (wū)? (lái) (é) (yī) (bó) (jīn) (gǒng) (tā) (qiān) (bì) 本文来源：https://www.wddqw.com/doc/7fc9001ce718964bcf84b9d528ea81c758f52e2d.html