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iGCSE Chemistry: Ionic Bonding

Terms in this set (19)

How many electrons can the first, second and third shells hold?
First 2, second 8, third 8
On the Periodic table what is the meaning of the word Group? What does that tell us about the electron configuration of the atom?
same number of electrons in the outer shell
On the Periodic Table what is the meaning of the word Period? What does that tell us about the electron configuration of the atom?
same number of electron shells
Why do elements in the same group of the periodic table have similar chemical properties?
Elements in the same group of the periodic table have the same number of electrons in their outer shell
What are the elements in group 0 called?
Noble gases
What do each of the following state symbols represent: (s), (l), (g), (aq)
(s) - solid. (l) - liquid. (g) - gas. (aq) - aqueous (in solution)
All the atoms in group 2 have 2 electrons in their outer shell. What charge ions do they form?
+2
State the formula for the copper (II) ion
Cu²⁺
State the formula for the iron (II) ion
Fe²⁺
State the formula for the iron (III) ion
Fe³⁺
State the formula for the lead (II) ion
Pb²⁺
State the formula of the hydrogen ion
H⁺
State the formula of the silver ion
Ag⁺
State the formula of the zinc ion
Zn²⁺
What is the formula for magnesium chloride?
MgCl₂
Draw a dot and cross diagram to show the arrangement of outer electrons in each of the ions in magnesium chloride, MgCl₂
How can atoms get a full outer shell?
Either the transfer (ionic) or sharing (covalent) of electrons
Explain the term ionic bond
An ionic bond is the strong electrostatic attraction between oppositely charged ions
Describe the structure of an ionic compound, e.g NaCl.
A giant structure held together by the attraction between oppositely charged ions
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