2. Atoms & Elements

Which statement correctly describes the location of protons and electrons in a helium atom?

What is the charge and location of a neutron in an atom?

Which subatomic particle has the lightest mass?

Which subatomic particle was discovered first?

Which list describes the particles that make up an atom?

Which of the following subatomic particles is positively charged?

Which subatomic particles have no effect on the net charge of an atom?

Which of the following is closest to the mass of a neutron?

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

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

Which of the following are subatomic particles found in atoms?

Which of the following is closest to the precise mass of a proton?

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

Which subatomic particle has a negative charge?

Which subatomic particle carries a negative charge?