Halogens always form anions, alkali metals and alkaline earth metals always form cations. Most other metals form cations (e.g. iron, silver, nickel), whilst most other nonmetals typically form anions (e.g. oxygen, carbon, sulfur).Aug 15, 2019
Cations are formed when an atom loses one or more electrons: the loss of the negatively-charged electron(s) results in an overall positive charge.Jul 27, 2021
Li, Na and K are alkali metals with low ionization energy and one electron in their outermost shell so they will form cation easily.
The elements have a tendency to lose electrons become cations when react with other elements. For ex. 1-sodium react with chlorine to form salt and sodium become a cation losing electrons . 2-Copper sulphate solution in which copper react with sulphur and copper become a cation.Apr 7, 2018
Ionic bonds usually occur between metal and nonmetal ions. For example, sodium (Na), a metal, and chloride (Cl), a nonmetal, form an ionic bond to make NaCl. In a covalent bond, the atoms bond by sharing electrons. Covalent bonds usually occur between nonmetals.
Helium and the other elements in its column are very unreactive. They don't ever form anions or cations.
metalBinary ionic compounds are composed of just two elements: a metal (which forms the cations) and a nonmetal (which forms the anions). For example, NaCl is a binary ionic compound.
Answer and Explanation: The correct answer is c. Ca. Most cations are formed when a metal atom loses electrons.
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