PROPERTY
BLOCK
TEMP
25 °C | 298 K | 77 °F
H
Hydrogen
Z = 1 · Period 1 · Group 1
MASS
—
BLOCK
—
DENSITY
—
ELEC.
—
MP
—
BP
—
NEUTRONS
—
ELECTRONS
—
VAL e⁻
—
OXIDATION
—
IE (kJ/mol)
—
RADIUS (pm)
—
CONFIG
—
SHELLS
—
MAGNETIC
—
solid
1
H
Hydrogen
1.008 u
Gas
Nonmetal
ELECTRON SHELLS
PROPERTIES
PERIOD
1
GROUP
1
BLOCK
s
CONFIG
1s¹
MP °C
—
BP °C
—
DENSITY
—
ELEC.
—
RELATIVE VALUES
Electronegativity—
Atomic Radius—
Ionization Energy—
Atomic Mass—
LEGEND
TABLE STATS
118
Elements
—
Metals
—
Nonmetals
—
Radioactive
—
Synthetic
—
Solids @ RT
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| Z ↕ | Symbol | Name ↕ | Mass ↕ | Category | Period ↕ | Group ↕ | MP °C ↕ | BP °C ↕ | Density ↕ | Elec. ↕ |
|---|
Identity
Symbol—
Atomic Number (Z)—
Atomic Mass—
Neutrons (approx)—
Electrons—
Category—
Period—
Group—
Block—
State @ STP—
Magnetic—
Synthetic—
Radioactive—
Chemical Properties
Electronegativity—
Ionization Energy—
Electron Affinity—
Oxidation States—
Atomic Radius—
Valence Electrons—
Shell Config—
Electron Config—
NUCLEAR NOTATION
—
—
Shell Configuration
Nuclear Data
Protons—
Electrons—
Typical Neutrons—
Is Radioactive—
Is Synthetic—
1s¹
Periodic Trends — Click property to change
Thermal Properties
Melting Point °C—
Melting Point K—
Melting Point °F—
Boiling Point °C—
Boiling Point K—
Boiling Point °F—
Physical Data
Density g/cm³—
State @ 25°C—
Current State—
Magnetic Order—
PHASE AT TEMPERATURE SLIDER
Quantum Numbers (outermost electron)
Principal (n)—
Angular (l)—
Magnetic (ml)—
Spin (ms)+½ or −½
Nuclear Notation
Notation formatᴬ_Ζ Symbol
A (Mass Number)—
Z (Protons)—
N (Neutrons)—
Charge (neutral)0
Shell & Subshell Breakdown
Full Config—
Compressed Config—
Valence Shell—
Valence Electrons—
Inner Electrons—
Isoelectronic & Related
Discovery
Discovered By—
Discovery Year—
Named By—
Name Origin—
—
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H
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Hydrogen
Z=1 · 1.008 u
1 / 118
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