2. Atoms & Elements

Which subatomic particle has a positive charge and a relative mass of 1?

Which subatomic particle was discovered by J.J. Thomson?

Which of the following subatomic particles has the lowest mass?

Protons are subatomic particles with which type of charge?

Which subatomic particle has the least amount of mass?

Which subatomic particles that make up an atom are directly involved in nuclear reactions?

Which subatomic particle is J. J. Thomson credited with discovering?

Which two subatomic particles make up the nucleus of an atom?

Which subatomic particles are found in the nucleus of an atom, while others travel around the nucleus?

Which subatomic particle is found in the nucleus and has a positive charge?

Which subatomic particle was discovered by researchers working with cathode-ray tubes?

Which subatomic particle primarily participates in chemical bonding?

Which subatomic particles determine the atomic number of a carbon-12 atom?

In a diagram of an atom, the part marked 'b' is located in the nucleus. Which of the following is a characteristic of this part of the atom?

Which subatomic particle in an atom carries a positive charge?