Physical Science Review #2 (subatomic particles)

The ______ is a depiction of an atom consisting of a small positively charged nucleus orbited by smaller negatively charged particles.

• Covalent Bond
• Molecular Theory
• Bohr Model
• Theory of chemistry

Valence electrons are those electrons that...

• makes up the atom's outtermost shell

• affect an atom's atomic weight

• shared during ionic bonding

• are transferred during covalent bonding

________ is the energy applied to an outer electron to remove it from its atom.

• bonding energy
• ionic energy
• thermal energy
• ionization energy

Gaining an electron is referred to as ________?

• Ionic bonding
• Covalent bonding
• Oxidation
• Reduction

Losing an electron is referred to as ________?

• Ionic bonding
• Covalent bonding
• Oxidation
• Reduction

The following is an example of what type of atom?

• Isotope
• Diatomic molecule
• Product
• Reactant

The atomic mass of an atom is based on the number of which subatomic particles?

• protons, neutrons & electrons

• neutrons & electron

• protons & electrons

• protons & neutrons

The ________ is used to describe where electrons are when they go around the nucleus of an atom.

• electron valence shell
• electron cloud
• electron orbitals
• electron fields

Determine the number of protons, electrons, and neutrons in the fluorine atom Fluorine-19 which has an atomic number of 9.

• 9-protons, 9-electrons, 9-neutrons
• 9-protons, 9-electrons, 10-neutrons
• 10-protons, 9-electrons, 10-neutrons
• 19-protons, 19-electrons, 9-neutrons

Determine the number of protons, electrons, and neutrons in the Iodine atom which has an atomic number of 53 and an atomic mass of 127.

• 53-protons, 53-electrons, 74-neutrons

• 78-protons, 78-electrons, 53-neutrons

• 53-protons, 53-electrons, 53-neutrons

• 78-protons, 53-electrons, 78-neutrons