Calcium atom will generally lose two electrons to form Ca2+ ions. Calcium will not accept (gain) electrons.
It must give away two valence electrons.
4
In the short form: elements are striving to completely fill valence shells of electrons to reach a quantumly stable energy state. They react to take electrons away from elements willing to give up electrons or share outer shell electrons with elements they aren't strong enough to steal from.
Yes, it can stabilize by giving away its electron, the reactions between an acid and a metal can be explained by this behavior.
Free- Roaming electrons, and conductivity
It must give away two valence electrons.
Calcium is a metal. Metals give away their electrons off to non-metals. So i would say when calcium is combining with another atom it wants to give away its electrons so it can be an ion.
Calcium metal is an electron donor. As a group 2A metal, calcium has two valance electrons that it tends to give away to non metals, forming the Ca 2+ cation. Ca --> Ca2+ + 2 e- However, often people say calcium, when they mean calcium ion. Be sure which you are asking about.
calcium ions that has lost electrons. It will give away electrons.
The simplest explanation is that metals have valence electrons to give away, and non metals need extra electrons to complete their valence shell.
Calcium is highly reactive in its atomic form. It has 2 valence electrons with a relatively low electronegativity. Therefore it is eager to give up those two electrons to give itself an octet by way of ionic bonding. Any atom or ion with a -2 charge (and they are EVERYWHERE) will be very anxious to bond with calcium.
Transition metals that have 1 or 2 valence electrons, and give 1 0r 2 electrons away to form compounds.
you have to give it 6 valence electrons
4
The force of attraction between the atom's nucleus and its valence electrons are the least. Hence valence electrons are lost easily.
Two electrons will fill a hydrogen's outer, or valence, shell.
The iron will not react unless you react it with calcium chloride. This is because Chloride is very electronegative (it has a high affinity for electrons) Both iron and calcium are not very electronegative and would like to give away their electrons. The Chloride ion accepts these electrons to get a full valent shell.