Atomic Number
ATOMIC NUMBER FINDER
ALL 118 ELEMENTS • FULL PROPERTIES • LIVE SEARCH
Z
H
Hydrogen
1
Atomic Number
MASS
1.008
GROUP
1
PERIOD
1
FULL PROPERTIES
CATEGORY
—
STATE (STP)
—
BLOCK
—
ELECTRONEG.
—
ELECTRON CONFIGURATION
1s¹
science
Elmo
Chemistry AI Assistant
The Periodic Paper
Challenge: Atomic Number & Metallic Property 🧪