What is the basic information on the element calcium?

Answer by  brooklyne (46)

Calcium is a Group II metal. Essential for humans, it helps to maintain healthy teeth and bones. When combined with carbon and oxygen, it forms calcium carbonate, used in antacid tablets and toothpastes, and naturally found in rocks such as marble and limestone. Calcium oxide is important in paper manufacturing.

Answer by  ScottHorn (232)

Calcium is an alkaline earth metal. It is shiny and soft compared to other metals. It's atomic number is 20, and it's mass is 40.078 amus. It is located in the fourth row of the second column of the periodic table. It is highly reactive in it's pure form and is important in the function of all living organisms.

Answer by  BeautyOfAnarchy (58)

The element calcium has a simbol of Ca in the periodical table. It is a metal, that is common in many rock formations and also a vital element in humans.

Answer by  Patrick1127 (79)

Calcium's chemical symbol is Ca. Calcium has the atomic number 20 on the periodic table so it has 20 protons in its nucleus.

Answer by  xenotype (10)

Elemental Calcium is a , dull gray/silver material. It is fairly soft, and can be scratched easily. In its +2 STATE it readily reacts with other material.

Answer by  Christian9247 (5042)

An alkaline earth metal, Calcium has a mass of 40.078. It is in the second column, fourth row of the periodic table. In its pure form it is highly reactive and an important function to mist carbon based life forms.

Answer by  Rital (54)

Calcium is the twentieth element of the periodic classification. His atomic weight is 40.08g/mol. His electron structure is [Ar] 4s²