Oquizy

What is the relative charge of a proton?

+1 +2 -1 0

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

Electrons only Neutrons and electrons Protons and electrons Protons and neutrons

Which of the following best defines isotopes?

Atoms with different proton numbers Atoms with same number of electrons Atoms with the same proton number but different neutron numbers Ions of the same element

Which subatomic particle has no electrical charge?

Electron Neutron Nucleon Proton

What best describes the arrangement of particles in a gas?

Closely packed and fixed Closely packed but able to slide Far apart and move freely and rapidly Fixed and vibrate only

What does the atomic number of an atom represent?

Number of electrons Number of neutrons Number of nucleons Number of protons

Which change of state occurs when a gas turns directly into a solid?

Condensation Deposition Freezing Sublimation

Which statement explains why solids have a fixed shape?

Their particles are chemically bonded Their particles are far apart Their particles can only vibrate in fixed positions Their particles move freely in all directions

Quiz: Chemistry - The Particulate Nature Of Matter