857865
Frage 1
Frage
True or false? All atoms take part in reactions in order to achieve the structure of a noble gas.
Antworten
- True
- False
Frage 2
Frage
Which type of bonding involves the sharing of electrons?
Antworten
-
Covalent
-
Ionic
Frage 3
Frage
Which type of bonding involves the transfer of electrons?
Antworten
-
Covalent
-
Ionic
Frage 4
Frage
True or false? Atoms which lose electrons become negatively charged ions.
Antworten
- True
- False
Frage 5
Frage
Which of the following metals would lose two electrons to form a 2+ ion?
Antworten
-
Sodium (Na)
-
Magnesium (Mg)
-
Aluminium (Al)
-
Potassium (K)
-
Calcium (Ca)
Frage 6
Frage
What holds ions together?
Antworten
-
Electrostatic forces of attraction
-
Small invisible bridges
-
Nothing - they remain free-form
Frage 7
Frage
True or false? The structure of ionic compounds can be described as a giant lattice.
Antworten
- True
- False
Frage 8
Frage
What type of diagram can we use to represent ionic bonding?
Antworten
-
Van der Waals diagrams
-
Dot-and-cross diagrams
-
Lewis diagrams
Frage 9
Frage
True or false? The formula of an ionic compound represents the number of each atom in a molecule.
Antworten
- True
- False
Frage 10
Frage
Which of these is the correct formula for barium iodide?
Antworten
-
BaI
-
Ba2I
-
BaI2
Frage 11
Frage
Which of these is the correct formula for potassium phosphate?
Antworten
-
KPO4
-
K3PO4
-
K(PO4)3
Frage 12
Frage
Which of these is the correct formula for iron (III) sulphate?
Antworten
-
FeSO4
-
Fe2(SO4)3
-
Fe3(SO4)2
Frage 13
Frage
Between which two types of element do covalent bonds occur?
Antworten
-
Metal and metal
-
Metal and non-metal
-
Non-metal and non-metal
Frage 14
Frage
How many electrons does a single covalent bond involve?
Antworten
-
One
-
Two
-
Three
-
Four
Frage 15
Frage
True or false? The diatomic molecule of oxygen is made through a triple covalent bond.
Antworten
- True
- False
Frage 16
Frage
True or false? Silica is a giant covalent macromolecule.
Antworten
- True
- False
Frage 17
Frage
True or false? Metals do not form crystals because they are arranged in regular layers.
Antworten
- True
- False
Frage 18
Frage
How can we describe the structure of a metal?
Antworten
-
Simple molecule
-
Macromolecule
-
Giant lattice
Frage 19
Frage
What do metal atoms use to form metallic bonds?
Antworten
-
Inner electron(s)
-
Neutron(s)
-
Outer electron(s)
Frage 20
Frage
True or false? Metals are strongly, electrostatically, attracted to the sea of delocalised electrons.
Antworten
- True
- False
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