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WorksheetsAtoms Practice Quiz
Total questions: 10
Worksheet time: 20mins
What do electrons in the same shell have in common?
They are all positively charged
They are all made up of atoms
They have the same amount of energy
They all have neutral charges
What might happen if the strong force didn't exist?
Atomic nuclei would fly apart
Electrons would have positive charges
It would be more difficult to split atoms
Neutrons would not exist
Oxygen has an atomic number of 8. What can you conclude from this fact?
An atom of oxygen has 8 protons
An atom of oxygen has 8 positirons
An atom of oxygen has 4 protons and 4 electrons
An atom of oxygen weighs 8 grams
How are molecules different from atoms?
They consist of several atoms bonded together
They do not contain neutrons
They do not have nuclei
Their particles do not have electrical charges
In the following diagram, what does the number 12 represent?
An atomic number
A number of electrons
An atomic mass
A chemical symbol
What can you conclude from the fact that electrons orbit far away from atomic nuclei?
Atoms are comprised mostly of empty space
Electrons are extremely small
Protons have a positive charge
Atoms consist of subatomic particles
The word "atom" comes from a Greek word for "indivisible." In what way are atoms indivisible?
They cannot be separated once they've bonded with other atoms
They cannot form bonds with other atoms
They cannot gain or lose electrons
They cannot be broken apart without losing their chemical properties
What two types of particles exist within an atomic nucleus?
Electrons and neutrinos
Neutrons and nuclei
Protons and neutrons
Positrons and neutrinos
Which of the following is an example of a subatomic particle?
Carbon
Oxygen
Hydrogen
Electron
What is the significance of the periodic table of elements? Choose the best answer.
It lists all the different metals know to humans
It predicts and lists all the chemical elements in the universe
It explains where different atoms can be found
It proves that atoms are the building blocks of matter
