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Ni 2+...............this does not help at all
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An atom that has lost two electrons is called?
This atom become a cation with the electrical charge +2.
How many electrons form ionic bonds?
This depends on the elemnts involved. The simple model of electron transfer to create octets is useful. In a cation with a charge of +1 one electron is lost, +2 two electrons etc. For anions when the charge is -1 one electron is gained, -2 two electrons gaine etc.
What is the charge of valence electrons of calcium?
Yes, calcium has valence electrons - two, in fact (it is a divalent chemical element).
What is the charge of an atom that has lost two electrons?
This atom become a cation with a +2 electrical charge. All atoms have are neutral because the numbers of protons and electrons are equal. When you subtract any number n of electrons, the new charge is +n, just as a general rule.
What is the ionic charge of neutral calcium that contains 20 protons 20 neutrons and 20 electrons and loses two electrons?
A neutral calcium atom that loses two electrons has a +2 charge.
How do you know that nickel has a plus two charge?
because it will have more electrons add electrons= add charge
What is the charge on an atom of copper that has lost two electrons and how is this ion represented?
+2 is the charge represented Cu2+
Are electrons in group 2 lost or gained?
They are lost. If it has a plus sign beside the ion charge, that means the atom loses electrons. But if it has a negative sign for the ion charge, that means that the atom gains electrons.
When an element loses an electron what happens to the charge of the element?
When "x" valence electrons are lost the charge is +x When "x" valence electrons are gained the charge is -x for example, if chlorine gained one electron, the charge would be Cl 1- or, if magnesium lost two electrons, the charge would be Mg 2+
Is the following true or false An alpha particle has a double charge because it is a helium atom that has lost two electrons?
True, it lost its only two electrons, which makes it consist of 2 protons and 2 neutrons
When does an atom become an ion with a charge of 2 plus?
Barium has two electrons in its outermost shell, electrons carrying a negative charge. When the Barium atom becomes an ion, these two electrons are lost. Now the Barium atom has more protons than electrons, meaning a net positive charge of 2.
How many unpaired electrons does nickel have?
two
An atom that has lost two electrons is called?
This atom become a cation with the electrical charge +2.
How is the cation Ion formed?
A CATION is a positively charged ion . e.g. Na^(+) The sodium metal has IONISED by losing one electron to form the CATION. (Na^(+)). Similarly calcium metal ionises by losing two electrons to form the CATION Ca^(2+). NB An ANION is a NEGATIVELY charged ion e.g. Cl^(-) Cations and Anions are collectively known as 'Ions'. So your statement 'Cation ion' is incorrect. You just need the word 'cation'.
Is it true or false that an alpha particle has a double positive charge because it is a helium atom that has lost two electrons?
It is true
How many electron shells does nickel have?
Nickel has 3 (three) electron shells.
If alluminum loses 3 electrons what is the charge of an alluminum ion?
Assuming the aluminum is uncharged before the electrons are lost it will be Al3+. In the neutral atom protons (each having +1 charge) equal electrons (-1 charge) and so equal 0, but if one of the values changes and the other is the same the overall charge is the difference between the two numbers.
