Calcium

From Anvita Health Wiki

Contents 1 Introduction 2 Occurrence 3 Characteristics 4 Uses 5 More General Terms 6 Additional Terms 7 Internet Database 8 References

Introduction

• From the Latin clax meaning lime. Romans used lime dating at least as far back of 100 AD Isolated by Sir Humphrey Davy in 1808.

Occurrence

• 5th most abundant element in earth's crust
• found only in combination

Characteristics

• silver-white bivalent metallic element of the alkaline-earth group
• reacts vigorously with air or water

Uses

• see Ca+2

More General Terms

• alkaline earth metal

Additional Terms

• Ca+2
• periodic table

Internet Database

PubChem: 272
PubChem: 271

References

1. Webster's Ninth New Collegiate Dictionary, Miriam- Webster Inc. Springfield, MA 1990
2. Chemical & Engineering News, Sept 8, 2003

calcium [Ca]