All of the transition metals are capable of forming multiple ions except for Zn, Cd and Ag.
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Because each of them can form a cation with the electron configuration of a noble gas by donating one electron to another element.
Elements in group one of the periodic table; Lithium, Sodium, potassium, rubidium, caesium and rubidium, will form ions with a positive charge of one.
Metals tend to form cations, or ions with a positive charge. Nonmetals tend to form anions, or ions with a negative charge. Remember that ions form to put the element in noble gas configuration with 8 valence electrons. Elements forming ions will take the most direct addition or subtraction of electrons to achieve this.
Hydrogen and Oxygen H20 is the element compound of water.
Group 1 elements are the alkali metals, which form ions wih a 1+ charge.
why atoms of group 0 elements do not form ions
Noble gases doesn't form ions.
Metals tend to form positive ions.
Chloride ions would form elements with ions of metallic elements. For example, with sodium ions, chloride ions form sodium chloride.
lose 2 electrons and form ions with a 2+ charge.
Elements of group 1 readily form ions having a charge of +1.
We haven't seen your graph. However, it is easy to say what kinds of ions elements form. Metals form positive ions and nonmetals form negative ions.
Generally this is a characteristic of the metallic elements.
cations = positively charged ions
The lower the the Atomic Number, the higher the Ionic Energy.
The lower the the Atomic Number, the higher the Ionic Energy.