Ionic Bonding, Properties And Electrolysis

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C2 Topic 2 Ionic bonding, properties and electrolysis
Ionic bonding 1
A substance made up of only 1 type of
1. What is an element?
atom
A substance made up of two or more
2. What is a compound?
elements that are chemically bonded
3. What are two ways that bonds can
Either by sharing electrons (covalent) or
form?
giving / taking electrons (ionic)
4. Why do atoms give (or take) electrons?
To gain complete outer shells of electrons
A bond formed when two or more atoms
5. What is ionic bonding?
give, or take, electrons to form ions
6. If an atom gives an electron what
Positive
charge will it have?
7. If an atom takes an electron what
Negative
charge will it have?
8. What forms when an atom gives (or
An ion
takes) an electron?
Ionic bonding 2
9. What do group 1 elements react with?
Non-metal elements (e.g. halogens)
10. What is the name of the structure that
forms when from ionic bonding
Giant ionic lattice
between lots of (millions) atoms?
11. What holds the ions in a giant ionic
Strong electrostatic forces of attraction
lattice together?
between oppositely charged ions
12. What charge will a group 1 element
+1
have when bonded ionically?
13. What charge will a group 7 element
-1
have when bonded ionically?
14. What are the elements in group 7
The halogens
known as?
15. What are the elements in group 1
The alkali metals
known as?
Ionic compounds
16. What happens to an ionic compound
It dissolves, the ions break apart and are
when it is put into water (or melted)?
able to move freely
17. Why do ionic compounds have high
Because of the strong forces of attraction
boiling and melting points?
between ions in a giant ionic lattice
Ions are able to move freely and so can
18. Describe the properties of dissolved (or
carry a current, allowing them to conduct
melted) ionic compounds
electricity
19. Describe the boiling, and melting,
High boiling points
points of ionic compounds
High melting points

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