anions
Nonmetals tend to attract electrons to become negative ions.
Ions are cations (positive) or anions (negative).
Metals tend to form positive ions also known as cations.
It depends on the specific conditions. In some cases, positive ions can form faster due to factors such as ionization energy differences between elements. In other cases, negative ions may form more rapidly, for instance, in reactions with highly electronegative elements.
Waterfall ions refer to the ions found in natural water systems, and they can be either positive or negative. Positive ions, known as cations, include elements like calcium (Ca²⁺) and sodium (Na⁺), while negative ions, or anions, include elements like chloride (Cl⁻) and sulfate (SO₄²⁻). The overall charge of the water body can vary depending on the concentration of these ions.
Nonmetals typically form negative ions by gaining electrons to achieve a stable electron configuration. For example, fluorine, chlorine, and oxygen commonly form negative ions by gaining one or more electrons.
The lower the the Atomic Number, the higher the Ionic Energy.
those elements on the periodic table belong to the same category which makes them -ions
a negative charge
cations = positively charged ions
In case of passing electric current through a liquid or gas we need ions as the carriers of electric charges. Say for example in case of copper sulphate solution, we have Cu++ ions and SO4-- ions. As we connect a battery to the plates or electrodes immersed in the solution, the electrode connected to the positive polarity of battery is known as Anode. Now SO4-- ions by negative in nature would be moving towards the Anode. Hence negative ions are named as ANIONS. Where as the electrode connected to the negative polarity of the battery will be named as Cathode. Hence the Cu++ ions would be attracted towards Cathode and so Cu++ ions are named as CATIONS. So in a nut shell, ANIONS are negative ions and CATIONS are positive ions.
Elements on the right-hand side of the periodic table, that is to say, non-metals, will form negative ions. This is because, in order to become stable, they need to GAIN electrons, making them more negative than they were before. For example, Oxygen has 6 valence electrons, and needs 2 more to reach a stable octet. If it gains 2 electrons is will have a charge of -2, making it a negative ion.