Dokumentasi API
API REST percuma untuk data unsur. Tiada kekunci API diperlukan.
https://api.periodictableofelements.org
API ini adalah percuma untuk digunakan untuk projek peribadi, pendidikan, dan komersial. Kami hanya meminta anda termasuk pautan balik ke PeriodicTableOfElements.org di suatu tempat dalam aplikasi atau laman web anda.
Contoh atribut:
<a href="https://periodictableofelements.org">Data from PeriodicTableOfElements.org</a>
Atau dalam teks biasa:
Data provided by PeriodicTableOfElements.org
Titik Akhir
Kembalikan semua 118 unsur dengan ciri kunci termasuk massa atom, kategori, konfigurasi elektron, titik lebur/ mendidih, dan kedudukan grid untuk susunatur jadual.
[
{
"atomic_number": 1,
"symbol": "H",
"name": "Hydrogen",
"slug": "hydrogen",
"atomic_mass": 1.008,
"category": "nonmetal",
"block": "s",
"group_number": 1,
"period": 1,
"state_at_room_temp": "gas",
"electronegativity": 2.2,
"ionization_energy": 1312.0,
"electron_affinity": -73.0,
"atomic_radius": 53,
"density": 0.00008988,
"melting_point": 14.01,
"boiling_point": 20.28,
"discovery_year": 1766,
"category_color": "#2ecc71",
"cpk_hex_color": "FFFFFF",
"grid_row": 1,
"grid_column": 1,
"electrons_per_shell": [1],
"electron_configuration_semantic": "1s1"
},
...
]
fetch('https://api.periodictableofelements.org/elements/')
.then(r => r.json())
.then(data => console.log(data));
Kembalikan data lengkap untuk unsur tunggal, termasuk semua medan: ciri- ciri fizikal, maklumat penemuan, isotop, penggunaan, fakta menyeronokkan, dan lain- lain.
{
"atomic_number": 79,
"symbol": "Au",
"name": "Gold",
"slug": "gold",
"atomic_mass": 196.9666,
"category": "transition_metal",
"block": "d",
"group_number": 11,
"period": 6,
"state_at_room_temp": "solid",
"electronegativity": 2.54,
"density": 19.3,
"melting_point": 1337.33,
"boiling_point": 3129.0,
"discovery_year": -2500,
"discovered_by": "Ancient civilizations",
"electron_configuration": "1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s1 4f14 5p6 5d10 6s1",
"electron_configuration_semantic": "[Xe] 4f14 5d10 6s1",
"oxidation_states": "+1, +3",
"is_radioactive": false,
"is_synthetic": false,
...
}
fetch('https://api.periodictableofelements.org/elements/79/')
.then(r => r.json())
.then(data => console.log(data));
Kembalikan soalan kuiz rawak mengenai unsur. Jenis soalan termasuk: pengenalan simbol, carian nombor atom, pengklasifikasian kategori, dan petunjuk berdasarkan sifat.
{
"type": "symbol",
"question": "What element has the symbol Fe?",
"choices": [
{"name": "Iron", "atomic_number": 26},
{"name": "Fluorine", "atomic_number": 9},
{"name": "Francium", "atomic_number": 87},
{"name": "Fermium", "atomic_number": 100}
],
"answer": 26
}
fetch('https://api.periodictableofelements.org/elements/quiz/')
.then(r => r.json())
.then(data => console.log(data));
Kembalikan unsur terpapar hari ini. Unsur berubah setiap hari dan berputar melalui semua 118 unsur. Termasuk ringkasan dan fakta menyeronokkan.
{
"atomic_number": 6,
"symbol": "C",
"name": "Carbon",
"slug": "carbon",
"category": "nonmetal",
"category_color": "#2ecc71",
"summary": "Carbon is a chemical element...",
"fun_fact": "Carbon can form nearly 10 million different compounds...",
"atomic_mass": 12.011,
"discovery_year": -3750,
"date": "2026-03-29"
}
fetch('https://api.periodictableofelements.org/elements/element-of-the-day/')
.then(r => r.json())
.then(data => console.log(data));
Kirakan massa molar rumus kimia. Menyokong tanda kurung dan subskrip (cth, Ca( OH) 2, H2SO4). Kembalikan pecahan mengikut unsur.
{
"formula": "H2O",
"molar_mass": 18.015,
"breakdown": [
{
"symbol": "H",
"count": 2,
"atomic_mass": 1.008,
"subtotal": 2.016
},
{
"symbol": "O",
"count": 1,
"atomic_mass": 15.999,
"subtotal": 15.999
}
]
}
fetch('https://api.periodictableofelements.org/elements/molar-mass/?formula=H2O')
.then(r => r.json())
.then(data => console.log(data));
Muat turun semua 118 unsur sebagai fail JSON yang diformat. Termasuk ciri-ciri atom, maklumat penemuan, konfigurasi elektron, dan lain-lain.
https://api.periodictableofelements.org/elements/export/json/
Muat turun semua 118 unsur sebagai fail CSV. Medan sama seperti eksport JSON, sesuai untuk lembaran kerja dan analisis data.
https://api.periodictableofelements.org/elements/export/csv/
Had Kadar
Had kadar adalah bagi setiap alamat IP. Melampaui had mengembalikan HTTP 429 (Terlalu Banyak Permintaan).
Contoh Kod
// Fetch all elements fetch('https://api.periodictableofelements.org/elements/') .then(res => res.json()) .then(elements => { console.log(`Loaded ${elements.length} elements`); elements.forEach(el => { console.log(`${el.symbol} - ${el.name} (${el.atomic_mass})`); }); }); // Get a single element fetch('https://api.periodictableofelements.org/elements/79/') .then(res => res.json()) .then(gold => { console.log(`${gold.name}: ${gold.atomic_mass} u`); }); // Calculate molar mass fetch('https://api.periodictableofelements.org/elements/molar-mass/?formula=H2SO4') .then(res => res.json()) .then(data => { console.log(`${data.formula}: ${data.molar_mass} g/mol`); }); // Get element of the day fetch('https://api.periodictableofelements.org/elements/element-of-the-day/') .then(res => res.json()) .then(el => { console.log(`Today's element: ${el.name} (${el.symbol})`); });
# Fetch all elements import requests response = requests.get('https://api.periodictableofelements.org/elements/') elements = response.json() print(f'Loaded {len(elements)} elements') for el in elements: print(f"{el['symbol']} - {el['name']} ({el['atomic_mass']})") # Get a single element gold = requests.get('https://api.periodictableofelements.org/elements/79/').json() print(f"{gold['name']}: {gold['atomic_mass']} u") # Calculate molar mass data = requests.get( 'https://api.periodictableofelements.org/elements/molar-mass/', params={'formula': 'H2SO4'} ).json() print(f"{data['formula']}: {data['molar_mass']} g/mol") # Get element of the day el = requests.get( 'https://api.periodictableofelements.org/elements/element-of-the-day/' ).json() print(f"Today's element: {el['name']} ({el['symbol']})")