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It becomes a positive ion and its radius decrease
Wiki User
∙ 10y ago
Wiki User
∙ 11y agoBa2+ cation is formed.
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Is barium a cation or anion?
Barium loses two electrons in a reaction, so it becomes positive or a cation.
What element reacts with fluorine and loses two electrons?
Beryllium, Magnesium, Calcium, Strontium, Barium and Radium
How many electrons will barium need to gain or lose to make 8?
Barium loses 2 as it is in group 2 and it's easier to lose two than to gain more than this.
What is the charge on barium is it cation or anion?
Barium is an alkaline-earth metal, which means it has two valence electrons. To fulfill the octet rule (see below), it wants to lose those two electrons. When it does this, the number of positive protons is greater than the negative electrons; the ion is positive. Positive ions are called anions.
What does an atom become if it gains or loses electrons?
An atom becomes an ion if it gains or loses electrons.
Is barium a cation or anion?
Barium loses two electrons in a reaction, so it becomes positive or a cation.
Which electrode loses electrons and which half reaction occurs here?
The anode electrode loses loses electron and oxidation half reaction occurs at it.
The Lewis structure for a barium Ba ion looks like this Ba2 what best describes what happens when a barium atom forms an ion?
the barium atom loses two electrons
What element reacts with fluorine and loses two electrons?
Beryllium, Magnesium, Calcium, Strontium, Barium and Radium
When Barium and Oxygen react to form an ionic compound does Barium atoms lose 2 electrons and form a cation?
Yes! Barium is a group 2 metal and so loses two electrons. Oxygen is a group 16 non metal and will readily pick up two electrons. So, they form BaO.
What is the energy change that occurs when an atom loses electrons called?
ionization energy
How many electrons will barium need to gain or lose to make 8?
Barium loses 2 as it is in group 2 and it's easier to lose two than to gain more than this.
When an atom loses or gain this type of particle the mass nbr changes?
electrons
When the number of electrons in an atom changes what is the new atom called?
When an atom loses or gains electrons, it becomes an ion.
What is the charge on barium is it cation or anion?
Barium is an alkaline-earth metal, which means it has two valence electrons. To fulfill the octet rule (see below), it wants to lose those two electrons. When it does this, the number of positive protons is greater than the negative electrons; the ion is positive. Positive ions are called anions.
Which subatomic particle changes when an atom becomes an ion?
When an atom becomes ionized, it gains or loses electrons (usually one).
What is the valency of barium?
As Barium's atomic number is 56 and as it has 2 electrons in its outer shell (this is also due to the fact that it is in Group 2) its valency is 2. It loses 2 electrons to attain the electronic configuration of Xenon whose atomic number is 54, so it is electropositive and is a metal.Therefore its valency is 2+. As Barium's atomic number is 56 and as it has 2 electrons in its outer shell (this is also due to the fact that it is in Group 2) its valency is 2. It loses 2 electrons to attain the electronic configuration of Xenon whose atomic number is 54, so it is electropositive and is a metal.Therefore its valency is 2+.
