2. Atoms & Elements

Which of the following was the first subatomic particle to be discovered?

Which type of subatomic particle is found in the cloud around the nucleus and carries a negative charge?

In a neutral atom, which two types of subatomic particles are present in equal numbers?

Which of the following subatomic particles has the smallest mass?

Which combination of subatomic particles forms a typical atom?

Which subatomic particle has a negative charge?

How does the mass of an electron compare to the mass of a proton?

Which subatomic particle orbits the nucleus in an atom?

What type of particle is located in the nucleus and has a positive charge?

Which subatomic particles are found in the nucleus of an atom?

Which type of electric charge is carried by protons?

Which subatomic particle carries a positive electric charge?

Which subatomic particle is described as having no electrical charge and being located in the nucleus of an atom?

Which of the following is considered a subatomic particle?

Where is the smallest negatively-charged particle found in an atom?