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WorksheetsCarbon Bonding (Year 10 Science)
Total questions: 22
Worksheet time: 15mins
How many valence electrons does Hydrogen have?
1
2
3
4
5
How many valence electrons does Potassium have?
1
2
3
4
5
How many valence electrons does Nitrogen have?
1
2
3
4
5
How many valence electrons does Oxygen have?
4
5
6
7
8
All of the elements has 4 valence electrons EXCEPT______
Carbon
Silicon
Germanium
Selenium
Valence electrons plays a key role in chemical reactions and it increases from left to right of the periodic table.
TRUE
FALSE
How many valence electrons does carbon have?
4
5
6
7
This could be the dot diagram of
Mg
Cl
C
O
Which formula represents a tetrahedral molecule?
CH4
CaCl2
HBr
Br2
Draw the Lewis Dot Structure for C6H12O6 (Glucose) Hint it has a benzene ring in the centre
How many bonds will a C atom form?
1
2
3
4
Which of these element(s) will C form bonds with?
C
H
O
N
all of these
What type of compounds have at least 1C atom bonded to at least 1H atom?
inorganic
organic
ionic
Which of the following is an organic compound that makes up living things?
carbohydrates
salts
oxides
hydrocarbons
What connects two atoms together?
H bond
savings bond
snap chat
chemical bond
Organic compounds
are made only of carbon
contain carbon bonded to hydrogen and nothing else
contain carbon bonded to hydrogen
contain only oxygen
Which property of carbon is important in the forming of many types of organic compounds
carbon has 6 electrons
carbon has 6 protons
carbon has 4 valence electrons
carbon can only bond with hydrogen
Because carbon has 4 valence electrons
it can form up to 4 covalent bonds
it can form ionic bonds
it can form only double bonds
it can form covalent bonds with H only
This is an example of a
straight carbon chain
branched carbon chain
carbon ring structure
How many covalent bonds does each carbon have in the molecule shown?
4
2
8
6
The carbons circled in red...
are double bonded
are sharing two pairs of electrons
are sharing three pairs of electrons
form a single covalent bond
