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Calcium ( /ˈkælsiəm/ KAL-see-əm) is the chemical element with the symbol Ca and atomic number 20. It has an Atomic Mass of 40.078 amu. Calcium is a soft gray alkaline earth metal, and is the fifth most abundant element by mass in the Earth's crust. Calcium is also the fifth most abundant dissolved ion in seawater by both molarity and mass, after sodium, chloride, magnesium, and sulfate.[2]
Calcium is essential for living organisms, particularly in cell physiology, where movement of the calcium ion Ca2+ into and out of the cytoplasm functions as a signal for many cellular processes. As a major material used in mineralization of bones and shells, calcium is the most abundant metal by mass in many animals.
Wiki User
∙ 13y ago
Wiki User
∙ 13y agoNo, like all calcium compounds it is ionic.
Wiki User
∙ 7y agoCa is the chemical symbol of the chemical element calcium.
Wiki User
∙ 14y agoIs Ca a molecule?
Wiki User
∙ 7y agoYes, of monatomic calcium.
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∙ 11y agoyes
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∙ 11y agoCation
Keelan Marcia
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Which substance shows a substance that is not molecular?
A formula unit.
Dose represents a molecular substance Al2O3?
No, it represents an ionic substance
What is a molecule a group of?
A Molecular Substance or Compound.
What is molecular density?
the ratio between the mass of one mole of a substance and its volume is the molecular density....
What are mol?
the molecular weight of a substance expressed in grams
What is the name of this substance CaO?
Calcium oxide
Which forms a molecular solid CaO C10H22 Cgraphite gold?
C10H22
What type of molecular forces of attraction would exist in CaO?
intermolecular forces
What is a gram of a molecular substance?
A gram of a molecular substance is the quantity that will have a mass of 1 gram.
Which substance shows a substance that is not molecular?
A formula unit.
Dose represents a molecular substance Al2O3?
No, it represents an ionic substance
The likely formula of the compound formed between Ca and O?
An ionic compound between these two ions. The cation Ca2+ The anion O2- forming the molecular compound CaO ------
What element make up calcium oxide?
calcium and oxygen combine to form calcium oxide(CaO).it is also called quick lime.
What are the characteristics of a molecular substance?
o hai
What is a molecule a group of?
A Molecular Substance or Compound.
Is KCl a molecular or ionic substance?
It is ionic
How is a molecular substance similar and different from molecular elements?
"Molecular element" is a much narrower category than "molecular substance". The kinetic units* of a molecular element contain at least two atoms, but all the atoms in the kinetic unit must be atoms of the same element. A molecular substance may contain any number of atoms of any number of elements. Therefore, every molecular element is a molecular substance, but the reverse is not true. The only additional requirements for a molecular substance are that all its kinetic units must have the same chemical composition and must contain at least two atoms but must not have any net electrical charge. ____________________________________________ *A kinetic unit is the smallest portion of a substance that moves further apart on average from other kinetic units when the substance expands while maintaining nearly constant interatomic distances within the kinetic unit itself.
