化学元素信息，元素周期表查询免费API完整指南

<?php
// GET请求示例
$get_url = "https://cn.apihz.cn/api/other/yuansu.php?" . http_build_query([
    'id' => '10000000',     // 替换实际ID
    'key' => '15he5h15ty854j5sr152hs2', // 替换实际KEY
    'name' => 'Fe'          // 查询铁元素
]);
$get_data = json_decode(file_get_contents($get_url), true);
// POST请求示例
$post_url = "https://cn.apihz.cn/api/other/yuansu.php";
$post_data = [
    'id' => '10000000',
    'key' => '15he5h15ty854j5sr152hs2',
    'name' => '26'          // 原子序数查询
];
$ch = curl_init($post_url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);
$post_response = curl_exec($ch);
curl_close($ch);
$post_data = json_decode($post_response, true);
// 结果解析
if ($get_data['code'] == 200) {
    echo "铁元素数据：\n";
    echo "原子质量：" . $get_data['yzzl'] . "\n";
    echo "电子模型图：" . $get_data['dzmx'];
}
?>

import requests
# GET请求示例
get_params = {
    "id": "10000000",      # 替换实际ID
    "key": "15he5h15ty854j5sr152hs2",  # 替换实际KEY
    "name": "Oxygen"       # 英文名查询（需确保接口支持）
}
get_response = requests.get(
    "https://cn.apihz.cn/api/other/yuansu.php", 
    params=get_params
)
get_data = get_response.json()
# POST请求示例
post_data = {
    "id": "10000000",
    "key": "15he5h15ty854j5sr152hs2",
    "name": "氧"           # 中文名查询
}
post_response = requests.post(
    "https://cn.apihz.cn/api/other/yuansu.php", 
    data=post_data
)
post_data = post_response.json()
# 结果解析
if get_data['code'] == 200:
    print(f"氧元素电子构型: {get_data['dzgx']}")
    print(f"人体血液含量: {get_data['xie']} mg/dm³")

{
  "id": "26",
  "zwmc": "铁",
  "ysfh": "Fe",
  "ywmc": "Iron",
  "yzzl": "55.845",
  "yzbj": "1.72",
  "dzgx": "1s(2)|2s(2)p(6)|3s(2)p(6)d(6)|4s(2)",
  "gjbj": "1.17",
  "yztj": "7.1",
  "lzbj": "0.645",
  "yht": "2,3",
  "fx": "古代就已知。",
  "ly": "从铁矿获得。",
  "yt": "作为钢和合金被广泛使用,是血色素的主要成分",
  "zt": "银白色过渡金属。",
  "fd": "2750",
  "br": "0.44",
  "rhr": "13.8",
  "drxs": "0.802",
  "sd": "",
  "rd": "1535",
  "md": "7.874",
  "zfr": "349.6",
  "ddl": "0.0993",
  "zrd": "",
  "ty": "3.16 × 10(7)",
  "diq": "41 000",
  "tpybm": "0.1× 10(-4)",
  "dxysc": "4× 10(-4)",
  "zlsj": "98",
  "hsz": "",
  "dxybm": "1× 10(-4)",
  "daq": "",
  "tpysc": "1× 10(-4)",
  "qgz": "",
  "xie": "447",
  "gu": "3 - 380",
  "gan": "250 -1400",
  "jr": "180",
  "rsrl": "6 - 40",
  "rtzl": "4.2",
  "code": 200,
  "dzmx": "https://rescdn.apihz.cn/resimg/yuansu1/26.gif"
}

{
  "code": 400,
  "msg": "元素名称不存在"
}