WorksheetsYr 10 Chemistry
Total questions: 13
Worksheet time: 11mins
How many electrons can fit in the 2nd shell of an atom?
2
6
8
9
Particles in an atom that are neutral and have no charge are
atoms
electrons
neutrons
protons
If an atom has 3 electrons, how many protons does it have?
1
2
8
3
An atom with an unequal number of protons and electrons is said to have (a) ___.
no charge
balanced charge
negative charge
positive balance
What does does the combination of Sodium + chlorine make?
Sodium + Chlorine --> Sodium chloride
Sodium + Chlorine = Sodium chloride
Sodium + Chlorine --> Sodium chlorinate
Sodium + Chlorine = Sodium chlorinate
List variables that can affect the rate of a reaction.
Temperature, concentration and surface area
Tempurature
Concentration
Surface area
Which will corrode a pipe quicker?
Hot water
Cold water
Luke Warm
Below freezing
