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 3 Li 4 Be 5 B 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 氦 4.0026 (h锂 6.941 (l铍 9.0122 (p硼 10.811 (p碳 12.011 (t氮 14.007 (d氧 15.999 (y氟 18.998 (f氖 20.17 (n钠 22.9898 (n镁 24.305 (m铝 26.982 (l硅 28.085 (gu磷 30.974 (l硫 32.06 (li氯 35.453 (l氩 39.94 (yài) ǐ) í) éng) àn) àn) ǎng) ú) ǎi) à) ěi) ǚ) ī) ín) ú) ǜ) à)
19 K 钾 39.098 (jiǎ) 20 Ca 钙 40.08 (gài) 21 Sc 钪 44.956 (kàng) 22 Ti 钛 47.9 (tài) 23 V 钒 50.94 (fán) 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 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 (gâ) (měng) (tiě) (gǔ) (niâ) (tïng) (xīn) (jiā) (zhě) (shēn) (xī) (xiù) (kâ) (rú) (sī) (yǐ) (gào)
41 Nb 铌 92.9064 (ní) 42 Mo 钼 95.94 (mù) 43 Tc 锝 (99) (dã) 44 Ru 钌 161.0 (liǎo) 45 Rh 铑 102.906 (lǎo) 46 Pd 47 Ag 48 Cd 49 In 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 钯 106.42 银 107.868 镉 112.41 铟 114.82 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) (bǎ) (yín) (gã) (yīn) (xī) (tī) (dì) (diǎn) (xiān) (sâ) (bâi) (lán) (shì) (pǔ) (nǚ) (pǒ)
62 Sm 钐 150.3 (shān) 63 Eu 铕 151.96 (yǒu) 64 Gd 钆 157.25 (gá) 65 Tb 铽 158.9 (tâ) 66 Dy 镝 162.5 (dī) 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 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 (huǒ) (ěr) (diū) (yì) (lǔ) (hā) (tǎn) (wū) (lái) (ã) (yī) (bï) (jīn) (gǒng) (tā) (qiān) (bì)
84 Po 钋 (209) (pō) 85 At 砹 (201) (ài) 86 Rn 氡 (222) (dōng) 87 Fr 钫 (223) (fāng) 88 Ra 镭 226.03 (lãi) 89-103 Ac-Lr 89 Ac 90 Th 91 Pa 92 U 93 Np 94 Pu 95 Am 96 Cm 97 Bk 98 Cf 99 Es 100 Fm 101 Md 102 No 103 Lr 104 Rf 锕系
锕 (227) 钍 232.0 镤 231.0 铀 238.0 镎 (237) 钚 (244) 镅 (243) 锔 (247) 锫 (247) 锎 (251) 锿 (252) 镄 (257) 钔 (258) 锘 (259) 铹 (262) 钅卢 (257) (ā) (tǔ) (pú) (yïu) (ná) (bù) (mãi) (jú) (pãi) (kāi) (āi) (fâi) (mãn) (nuî) (láo) (lú)
105 Db 钅杜 (261) (dù) 106 Sg 钅喜 (262) (xǐ) 107 Bh 钅波 (263) (bō) 108 Hs 钅黑 (262) (hēi) 109 Mt 钅麦 (265) (mài) 110 Uun (281) 111 Uuu (272) 112 Uub (285) 114 Uuq (289)
（加括号的数据为该放射性元
素半衰期最长同位素的质量数
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 3 Li 4 Be 5 B 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 氦 4.0026 (h锂 6.941 (l铍 9.0122 (p硼 10.811 (p碳 12.011 (t氮 14.007 (d氧 15.999 (y氟 18.998 (f氖 20.17 (n钠 22.9898 (n镁 24.305 (m铝 26.982 (l硅 28.085 (gu磷 30.974 (l硫 32.06 (li氯 35.453 (l氩 39.94 (yài) ǐ) í) éng) àn) àn) ǎng) ú) ǎi) à) ěi) ǚ) ī) ín) ú) ǜ) à)
19 K 钾 39.098 (jiǎ) 20 Ca 钙 40.08 (gài) 21 Sc 钪 44.956 (kàng) 22 Ti 钛 47.9 (tài) 23 V 钒 50.94 (fán) 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 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 (gâ) (měng) (tiě) (gǔ) (niâ) (tïng) (xīn) (jiā) (zhě) (shēn) (xī) (xiù) (kâ) (rú) (sī) (yǐ) (gào)
41 Nb 铌 92.9064 (ní) 42 Mo 钼 95.94 (mù) 43 Tc 锝 (99) (dã) 44 Ru 钌 161.0 (liǎo) 45 Rh 铑 102.906 (lǎo) 46 Pd 47 Ag 48 Cd 49 In 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 钯 106.42 银 107.868 镉 112.41 铟 114.82 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) (bǎ) (yín) (gã) (yīn) (xī) (tī) (dì) (diǎn) (xiān) (sâ) (bâi) (lán) (shì) (pǔ) (nǚ) (pǒ)
62 Sm 钐 150.3 (shān) 63 Eu 铕 151.96 (yǒu) 64 Gd 钆 157.25 (gá) 65 Tb 铽 158.9 (tâ) 66 Dy 镝 162.5 (dī) 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 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 (huǒ) (ěr) (diū) (yì) (lǔ) (hā) (tǎn) (wū) (lái) (ã) (yī) (bï) (jīn) (gǒng) (tā) (qiān) (bì)
84 Po 钋 (209) (pō) 85 At 砹 (201) (ài) 86 Rn 氡 (222) (dōng) 87 Fr 钫 (223) (fāng) 88 Ra 镭 226.03 (lãi) 89-103 Ac-Lr 89 Ac 90 Th 91 Pa 92 U 93 Np 94 Pu 95 Am 96 Cm 97 Bk 98 Cf 99 Es 100 Fm 101 Md 102 No 103 Lr 104 Rf 锕系
锕 (227) 钍 232.0 镤 231.0 铀 238.0 镎 (237) 钚 (244) 镅 (243) 锔 (247) 锫 (247) 锎 (251) 锿 (252) 镄 (257) 钔 (258) 锘 (259) 铹 (262) 钅卢 (257) (ā) (tǔ) (pú) (yïu) (ná) (bù) (mãi) (jú) (pãi) (kāi) (āi) (fâi) (mãn) (nuî) (láo) (lú)
105 Db 钅杜 (261) (dù) 106 Sg 钅喜 (262) (xǐ) 107 Bh 钅波 (263) (bō) 108 Hs 钅黑 (262) (hēi) 109 Mt 钅麦 (265) (mài) 110 Uun (281) 111 Uuu (272) 112 Uub (285) 114 Uuq (289)
（加括号的数据为该放射性元
素半衰期最长同位素的质量数