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When calcium is ionized, it loses two electrons to form Ca2+. The calcium ion is smaller than elemental calcium because the positively-charged nucleus holds tightly to to the lesser negative charge.

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A calcium atom is larger than a calcium ion because?

a calcium atom is larger because it contains more electrons than a calcium ion. When a calcium atom loses electrons to become a calcium ion, it becomes smaller due to the loss of electron-electron repulsion, causing the remaining electrons to be pulled closer to the nucleus, resulting in a smaller size.


What is the name of the ion formed by a calcium atom?

The ion formed by a calcium atom is called a calcium ion, which has a 2+ charge.


Who has the largest radius calcium atom or calcium ion?

The radius of a cadmium atom is smaller than the radium of a mercury atom. The trend for atomic radius is that the radius becomes larger toward the left side of the row and toward the bottom of the group.


What happened to an Atom when it loses an electron?

It loses a negative charge and then becomes a positive ion


What happens when atoms loses an electron?

AnswerA neutral atom that loses an electron becomes an ion that is positively charged (also called a cation).When a calcium atom loses two electrons it becomes positively charged.


What would happen if calcium atom loses 2 electrons?

If a calcium atom loses 2 electrons, it will form a calcium ion with a positive 2 charge (Ca^2+). This ion will have a stable electron configuration similar to that of a noble gas, making it more stable than the neutral calcium atom.


How many electrons do calcium has?

Calcium, as an element, has 20 electrons. But when becomes an ion, it loses two electrons, becoming Ca+2. Therefore, as an ion, calcium has only 18 electrons.18


To form an ion what does a calcium atom gain or loose?

A calcium atom typically loses two electrons to form a calcium ion with a 2+ charge. The loss of these electrons allows the calcium ion to achieve a stable electron configuration similar to that of a noble gas.


What happens when atom looses electron?

If an atom loosed electrons then it becomes an ion. The electrical charge in the atom becomes a positive ion.


What is an atom called when it has a charge?

An atom with a charge is called an ion. If the atom gains electrons, it becomes a negative ion (anion), while if it loses electrons, it becomes a positive ion (cation).


When an atom gains an electron the atom becomes an ion that?

yes...on gaining an electron, the atom becomes an anion i.e. negatively charged ion.


An atom that gains an electron gains what type of ion?

an atom that gains an electron becomes a negative ion, called an anion.