WorksheetsScience Unit one
Total questions: 20
Worksheet time: 17mins
The nucleus is made up of __
Protons and electrons
Neutrons and electrons
Protons and neutrons
The correct charges of the subatomic particles are__
Protons - (+)
Electrons - (-)
Neutrons - (0)
Neutrons - (+)
This subatomic particle has the least amount of mass out of all 3
(a)
Which of the options below show the correct masses of all the subatomic particles?
Protons - 1 amu
Neutron - 1 amu
Neutron - 1/2000 amu
Electron - 1/2000 amu
What is the difference between the atomic number and mass?
True or False? Groups/ families have similar chemical properties
True
False
What does APE mean?
Atomic # = Protons = Neutrons
Atomic # = Electrons = Protons
Atomic # = Protons = Electrons
True or False? MAN means atomic Mass - Atomic # = Electrons
True
False
Which one of these represent the Bohr model?
The atoms that have the same energy levels/ shells share the same_
Group
Family
Period
Where are the parts of an atom located?
Proton - Inside nucleus
Proton - Outside Nucleus
Electron - Outside nucleus
Neutron - Inside nucleus
True or False? The parts an atom is made out of is called a subatomic particle.
True
False
What is an electron cloud?
What is all matter made out of?
(a)
What are valence electrons?
They are in the outermost shell/ level, and determine its reactivity
They are in the innermost shell/ level, and do not affect reactivity
They are in the innermost shell/ level and do affect reactivity
They are in the outermost shell/ level, and do not affect reactivity
Choose the trait metals DON’T have
Good conductor of heat
Bad conductor of electricity
Shiny
Solid at room temperature
Choose the trait that metalloids DON’T have
Solids
Low elasticity
Are not brittle
Ductile
Choose the trait that non-metals DON’T have
Poor conductor of heat
Good conductor of heat
Brittle
Dull
What is the group/ family on the left side called, and what is known for?
The group/ family on the left are called noble gases, and have high reactivity
The group/ family on the left are called noble gases, and have low reactivity
The group/ family on the left are called alkaline metals, and have low reactivity
The group/ family on the left are called alkaline metals, and have high reactivity
What is the group/ family on the right side, and what is it known for?
The group/ family on the right are noble gases, and they have low reactivity
The group/ family on the right are noble gases, and they have high reactivity
The group/ family on the right are alkaline metals, and they have high reactivity
The group/ family on the right are alkaline metals, and they have low reactivity
