基态铬原子的核外电子排布为(原子序数是24)
未知类型:{'options': ['[tex=4.571x1.5]+acgaWJTMs2PTIr/Y5J67/snzDZp9W3gB0gPPjlpxmU=[/tex]', '[tex=4.571x1.5]OpGGBmL132QJ08vr2YBSdGX+lJXnQ6Yn+KDZIYVT36g=[/tex]', '[tex=4.571x1.5]MnBsKVKyk5h5sHt6F6E3marIGtV7kG0JIC2kdYrfCmw=[/tex]', '[tex=2.786x1.429]W5hZBw+wjwASJdSbWWi1sf0S9wWFdrnqqzzt28FQsMU=[/tex]'], 'type': 102}
未知类型:{'options': ['[tex=4.571x1.5]+acgaWJTMs2PTIr/Y5J67/snzDZp9W3gB0gPPjlpxmU=[/tex]', '[tex=4.571x1.5]OpGGBmL132QJ08vr2YBSdGX+lJXnQ6Yn+KDZIYVT36g=[/tex]', '[tex=4.571x1.5]MnBsKVKyk5h5sHt6F6E3marIGtV7kG0JIC2kdYrfCmw=[/tex]', '[tex=2.786x1.429]W5hZBw+wjwASJdSbWWi1sf0S9wWFdrnqqzzt28FQsMU=[/tex]'], 'type': 102}
举一反三
- 原子序数为29的元素,其原子核外电子的排布应是 未知类型:{'options': ['[tex=4.714x1.5]X/BggzUm1REIHrH4FND9C0/Ymw5mdnQ6jUIN1TNZ7sw=[/tex]', '[tex=4.714x1.5]X/BggzUm1REIHrH4FND9C7aqL/9563JqFMS9s2XfvrA=[/tex]', '[tex=4.357x1.5]D/ShzLGPu3X93d/3uubfzxqUIyS3oySkCBKRaWibULY=[/tex]', '[tex=4.357x1.5]CH76oWyhFPWId3p+4hT5PHCd4EBpOOd/aCdxxg0bSa8=[/tex]'], 'type': 102}
- [tex=1.857x1.0]1FVfIOJf7ISeQGf+8HT7Iw==[/tex]尿素的合成需消耗[tex=2.214x1.286]iLZ8dFzDhyDszs4Q6Iairw==[/tex]摩尔数是 未知类型:{'options': ['2', '3', '4', '5', '6'], 'type': 102}
- 下列方程中是一阶微分方程的是[input=type:blank,size:4][/input]. 未知类型:{'options': ['[tex=8.0x1.571]SnLzj4UlSfnGqNtEzxfZSuZwslGsWxsvP2Y+yf7H578Vefe1Ol/nJT135DjkdnSNNikL3arAj80BjvPHaHCDiA==[/tex]', '[tex=10.571x1.571]JR4yrHJRIZfJXwhFSObwrfajFnWUvXzM/YiA3M6aDKuVBZ8I+7v5iXTXdA3E6Rm4vOE2BCfPwFP2rmRygXKEUDk1qLsNDCJ2p8GEbfCSr2s=[/tex]', '[tex=5.643x1.357]m0sKckxx+jZ9iltApBtB23TBISIOx/g0judcsS+akNFZrUNCq3g+BIVQwGbQEh/C[/tex]', '$y^{(4)}+5 y^{\\prime}-\\cos x=0$'], 'type': 102}
- 设[tex=0.929x1.0]9MCaa3NdBrky4bnBPtTtgw==[/tex]为四阶矩阵,且[tex=3.429x1.357]dYcL9NtiYXHAsxWaaTXNyg==[/tex],则[tex=3.643x1.357]K61mVROvnMmG4VfTKldoUJpacWgNjgbg3TOLujupPak=[/tex] 未知类型:{'options': ['0', '1', '2', '3'], 'type': 102}
- 执行以下语句后a的值为( ),b的值为( ) int a=5,b=6,w=1,x=2,y=3,z=4; (a=w>x)&&(b=y>z); A: 5 B: 0 C: 2 D: 1 E: 6 F: 0 G: 1 H: 4