Honors Final Chemistry Exam

In an atom, an orbital represents

• the most probably location of a proton

• the most probable location of an electron

• the least probably location of a neutron

• photons emitted as electrons move to lower energy levels

An atom that has 8 protons and 10 neutrons is an isotope of the element

• nitrogen

• oxygen

• fluorine

• neon

Which elements have the most similar chemical properties?

• Ge, As, and Sb

• Mn, Fe, and Co

• S, Se, and Te

• P, S, and Cl

What is the overall charge of an ion that has 9 protons, 11 neutrons, and 10 electrons?

• +1

• -1

• +2

• -2

Which pair of atoms will form ionic bonds?

• S and F

• Mg and O

• F and Cl

• H and Ne

How would you classify NaCl?

• element

• compound

• heterogeneous mixture

• homogeneous mixture

What is the atomic number?

• the number of protons
• the number of protons and neutrons
• the number of neutrons
• the number of protons and electrons

What is the mass number?

• the number of protons
• the number of protons and neutrons
• the number of neutrons
• the number of protons and electrons

What is the atomic number of this nucleus?

• 1
• 3
• 4
• 7

What is the mass number of this nucleus?

• 1
• 3
• 4
• 7