Inv6.Exp1 Vocabulary

What is the force that holds protons and neutrons together in the nucleus?

• Weak force

• Strong force

• Electromagnetic force

• Gravitational force

Which particle is negatively charged?

• Nucleus

• Proton

• Neutron

• Electron

What does the atomic number of an element represent?

• Number of protons

• Total mass of the atom

• Number of electrons

• Number of neutrons

What term describes the tendency of an atom to attract a shared pair of electrons towards itself?

• Coulomb force

• Electronegativity

• Covalent bonding

• Ionic bonding

Which of the following is NOT a subatomic particle?

• Molecule

• Proton

• Electron

• Neutron

What is the main characteristic that defines an element?

• Atomic mass

• Number of protons

• Number of neutrons

• Number of electrons

What is the path of an electron around the nucleus of an atom called?

• Nuclear path

• Proton track

• Electron orbital

• Electron shell

What is the Coulomb force related to?

• Gravitational force

• Magnetic force

• Electric charge

• Nuclear force

What is atomic radius defined as?

• Distance from the nucleus to the innermost electron orbital

• Distance from the nucleus to the outermost electron orbital

• Distance between two atoms in a molecule

• Distance between the nucleus and the electron cloud

What is mass defined as in atomic structure?

• Total number of protons and neutrons

• Total number of protons, neutrons, and electrons

• Total number of electrons

• Total number of neutrons