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Ionic Bonding

Junior Cert Science

QuestionAnswer
What do atoms form when they combine with atoms of another element Compounds
What holds atoms together in a compound Chemical bond
How many electrons do the noble gases (group VIII) have on their outer shell 8, they have a full outer shell
Are group VIII elements stable or unstable Stable
What does the Octet Rule state Atoms bond together so that each atom ends up with an electron arrangement with 8 electrons in its outermost shell
When is an ionic bond formed When electrons are given of taken by atoms
What is an ion A positively or negatively charged atom or group of atoms
If an atom loses electrons does it become positively or negatively charged Positively
If an atom gains electrons does it become positively or negatively charged Negatively
A sodium atom has an electronic configuration of 2, 8, 1, is it stable No, it easily loses its outer electron
A chlorine atom has an electronic configuration of 2, 8, 7, is it stable No, it will easily gain an electron
If sodium loses it electron what does it become Sodium ion with a charge of +1
If chlorine gains an electron what does it become Chlorine ion with a charge of -1
Is a chlorine ion and a sodium ion attracted to one another Yes because they have opposite charges
When a chlorine ion and a sodium ion, bond with one another, what is formed Sodium chloride
Does a chlorine ion have a full outer shell Yes, it gains one
Does a sodium ion have a full outer shell Yes, it loses one
A magnesium atom has an electronic configuration of 2, 8, 2, is it stable No, it needs to lose 2 electrons
If Mg loses 2 electrons, what does it become Magnesium ion, with a full outer shell
An oxygen atom has an electronic configuration of 2, 6, is it stable No, it needs to gain 2 electrons
If oxygen gains 2 electrons, what does it become Oxygen ion with a full outer shell
When a magnesium ion and an oxygen ion bond together what is formed Magnesium oxide
How is an ionic bond formed Ir is formed by the force of attraction between a positive and a negative ion
Created by: Teacher Amrein